# NEED HELP with MATH CALCULATIONS

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 dani in Blacksburg, Virginia 88 months ago ohio in Mason, Ohio said: 10 Tabs second question needs to have a final concentration to answer. 4.5% 90ml Hi! Can someone show me how to get this answer? Thanks :-) - Was this comment helpful? Lester in Los Angeles, California 88 months ago dani in Blacksburg, Virginia said: How many 200mg tablets would be required to make .5 liters of a 1:250 solution? xmg/500ml=1000mg/250ml x=2000mg 2000mg divide 200mg=10 10 tblets - Was this comment helpful? donna in Jonesborough, Tennessee 88 months ago How many ml of a 20% solution should be added to 50 ml of a 40% solution to obtain a 25% solution? please show how to get answer if anyone knows. - Was this comment helpful? Gatorbob in Sebring, Florida 88 months ago donna in Jonesborough, Tennessee said: How many ml of a 20% solution should be added to 50 ml of a 40% solution to obtain a 25% solution? please show how to get answer if anyone knows. Name Concentration 40.0000 % OR mg / ml Volume (opt) 50.00 ml Name Concentration 20.0000 % OR mg / ml Volume (opt) 150.00 ml Name Concentration 25.0000 % OR mg / ml Volume (opt) 200.00 ml ------------------------------------------------------ 50.00 ml ( 20000.00 mg) 150.00 ml ( 30000.00 mg) 200.00 ml ( 50000.00 mg) 25.0000 gm / 100 ml 25.0000 % or set up an alligation problem as follows: 40 | | 5 parts = 50 ml or 10 ml per part | | | 25 | |Final Conc| 20 | |15 parts then equal 150 ml Total Parts for 25% equal 200 ml total Hope this helps - Was this comment helpful? Linda Thompson in Tyler, Texas 88 months ago I really need help solving this problem and show me the formula on how you get the answer a prescription is written for salicylic acid 1%, menthol 1/4% in triamcinolone0.1% cream. How much salicylic acid powder should be used if the prescription is for 240gm? Thank You - Was this comment helpful? Jessica in Concord, California 87 months ago During the middle of my final my tutot left, can you helkp me - Was this comment helpful? Pufik in Santa Ana, California 87 months ago Ok, 1cc = 1ml , 1000 cc = 1000 ml 1000 ml (1h) 60 gtt -------- ---- ------ = 41,67 gtt/min 24 h 60 min 1ml - Was this comment helpful? DORIS SANTAN in Los Angeles, California 87 months ago OK THNKS HERES A ANOTHER THE ORDER READS PENICILLIN G 200,000U I.M THE VIAL PENICILLLIN G 250,000 U PER mL. How much should I give? - Was this comment helpful? Pufik in Santa Ana, California 86 months ago 200.000 250.000 -------- = ------- x = 0.8 ml Xml ml - Was this comment helpful? Nohemi contreras in Santa Monica, California 86 months ago order: penicillin 400,000 U IM q,3h Supply: A 20 mL vial containing 1,000,000 U of Penicilling in dry form. Directions: Adding 3.6 mL diluent yields 250,000 U/mL Give: __________? my answer is 0.4mL i dont know if its right ... - Was this comment helpful? Pufik in Santa Ana, California 86 months ago yes i think you are right. - Was this comment helpful? pam in Los Angeles, California 80 months ago i need help finding out the weight of fluids on the iv bags, how do you do it? - Was this comment helpful? pam in Los Angeles, California 80 months ago i need help finding the weight of fluids in the iv bags, what is the formula? - Was this comment helpful? Dnorth in Pocahontas, Iowa 78 months ago I am looking to get how to get the answer, not the answer to the following: 0.027 gm = _____ mcg Also I need to convert apothecary units: 30 gr = _______ounce and 1 fl dram = _____ fl oz. convert household measurements: 10 ml = ______tsp - Was this comment helpful? lalala in West Covina, California 78 months ago Dnorth in Pocahontas, Iowa said: I am looking to get how to get the answer, not the answer to the following: 0.027 gm = _____ mcg Also I need to convert apothecary units: 30 gr = _______ounce and 1 fl dram = _____ fl oz. convert household measurements: 10 ml = ______tsp first problem 1 gram = 1,000,000 micrograms so if you divide each side by 1 gram you get 1 = 10^6 micrograms/1 gram it's equal to one because 1 gram and 10^6 micrograms are the same thing. it's just like saying 3/3 = 1 and t/t = 1 moreover, if you multiply anything by 1, that anything is still the same thing. so if you multiply 0.027 grams by 1, it's still 0.027. if you multiply 0.027 grams by 10^6 micrograms/1 gram, the mass is still gonna be worth 0.027, it's still the same amount, just the unit changes. 0.027 grams x 10^6 micrograms --------------- 1 gram so you multiply 0.027 grams by 1 (which in this case is 10^6 micrograms/1 gram). the unit of grams cancel out so you get 0.027 x 10^6 micrograms which simplifies to 27,000 micrograms or 2.7x10^4 micrograms - Was this comment helpful? lalala in West Covina, California 78 months ago Dnorth in Pocahontas, Iowa said: I am looking to get how to get the answer, not the answer to the following: 0.027 gm = _____ mcg Also I need to convert apothecary units: 30 gr = _______ounce and 1 fl dram = _____ fl oz. convert household measurements: 10 ml = ______tsp alright here's an easier way, skipping all the background and work. 1 gram = 1,000,000 micrograms you have 0.027 grams, so multiply both sides of the equation by 0.027 so now you have 0.027 grams = 27,000 micrograms just do the same thing to the other problems. you should have the equalities in your text, or you can easily find them online - Was this comment helpful? Dnorth in Pocahontas, Iowa 78 months ago Thank you for your help. I am just getting started as a pharmacy tech & hope to get certified in the next couple of months. Appreciate all the help and any suggestions. - Was this comment helpful? Lou in Overland Park, Kansas 78 months ago Gatorbob in Sebring, Florida said: Name Concentration 40.0000 % OR mg / ml Volume (opt) 50.00 ml Name Concentration 20.0000 % OR mg / ml Volume (opt) 150.00 ml Name Concentration 25.0000 % OR mg / ml Volume (opt) 200.00 ml ------------------------------------------------------ 50.00 ml ( 20000.00 mg) 150.00 ml ( 30000.00 mg) 200.00 ml ( 50000.00 mg) 25.0000 gm / 100 ml 25.0000 % or set up an alligation problem as follows: 40 | | 5 parts = 50 ml or 10 ml per part | | | 25 | |Final Conc| 20 | |15 parts then equal 150 ml Total Parts for 25% equal 200 ml total Hope this helps How did you figure out the 150ml and the 200 ml. 50ml is the only volume given - how did you figure a final volume to divide the parts into and then multiply parts by the volume? Could you explain this - I'm not getting it. Thanks Lou - Was this comment helpful? Keri 77 months ago if 750 ml of a 2% solutionis diluted by 40% of its volume, what is the new concentration in mg/ml? - Was this comment helpful? MorganR in Los Angeles, California 73 months ago I am searching for the equation to use to dilute a solution of 40 mg/ml to make a solution of 5mg/ml I have a 30ml vial of Saline and a 5ml vial of Kenalog 40mg/ml I need to end with a 30ml vial of Kenalog 5mg/ml Does anyone have the equation I should use to calculate my answer? I have hit the wall and this simple (I assume) solution just has me floored!! Thank you! - Was this comment helpful? MorganR in Los Angeles, California 73 months ago oops...sorry for the repeat... - Was this comment helpful? MorganR in Los Angeles, California 73 months ago ok, fog lifted...figured it out. - Was this comment helpful? teresa in Reno, Nevada 72 months ago i need help rx prolixin 4mg/5ml concentrate # sig: 6mg po tid x 90 days how many mlsof the drug is required per dose? how many mls of the drug is required per day? how many mls of the drug is required for the entire treament? - Was this comment helpful? cpht in Lockport, Illinois 72 months ago teresa in Reno, Nevada said: i need help rx prolixin 4mg/5ml concentrate # sig: 6mg po tid x 90 days how many mlsof the drug is required per dose? how many mls of the drug is required per day? how many mls of the drug is required for the entire treament? Prolixin is a antipsychotic drug. Dr. is prescribing the drug in liquid form so we will need to figure out how many ml's is 6mg from the sig provided. 4mg = 5ml 6mg = X ml ------ 6mg x 5ml / 4mg = 7.5ml {So 7.5ml equals 6mg of the drug} Per dose: 7.5ml Per day: 7.5ml x 3x a day (tid) = 22.5ml Entire treatment: 22.5ml x 90 days= 2025ml (that is alot of liqiuid medication) Crystal Zamudio, CPhT Pharmacy Rx Owner www.wiziq.com/tutor-profile-crysta - Was this comment helpful? cpht in Lockport, Illinois 72 months ago teresa in Reno, Nevada said: i need help rx prolixin 4mg/5ml concentrate # sig: 6mg po tid x 90 days how many mlsof the drug is required per dose? how many mls of the drug is required per day? how many mls of the drug is required for the entire treament? Prolixin is a antipsychotic drug. Dr. is prescribing the drug in liquid form so we will need to figure out how many ml's is 6mg from the sig provided. 4mg = 5ml 6mg = X ml ------ 6mg x 5ml / 4mg = 7.5ml {So 7.5ml equals 6mg of the drug} Per dose: 7.5ml Per day: 7.5ml x 3x a day (tid) = 22.5ml Entire treatment: 22.5ml x 90 days= 2025ml (that is alot of liqiuid medication) Crystal Zamudio, CPhT Pharmacy Rx Owner www.wiziq.com/tutor-profile-crysta - Was this comment helpful? Roe Stubs in Wylie, Texas 66 months ago DORIS SANTAN in Los Angeles, California said: I NEED HELP PLZ SOMEONE!!! ORDER: 1000 cc NS IV for 24 h KVO ( to keep the vein open) Drop Factor: 60 gtt/mL Flow rate: _____ gtt/min gtt/mim= 1hr/60min -1000ml/10hrs-60gtt/ml=you first multiply all numbers at the top= 1x1000x60=60000, then multiply all at the bottom=60x10=600. Then divide the top number by the bottom number=60000/600=100 drops/min - Was this comment helpful? Peter in London, United Kingdom 66 months ago - Was this comment helpful? Traci in Fairmont, West Virginia 65 months ago How many mLs of a syrup containing 85% of sucrose should be mixed with 150mL of a 60% sucrose syrup to make a syrup containing 80% sucrose? Please help! - Was this comment helpful? im lost in London, United Kingdom 65 months ago Referring to the empirical formulae represnted below,derive the ferrous iron content of the compounds yourself. Do your calculation match the iron content table ( this can find from Bnf, if you have bnf 61 theb page 577) Please answer me. Thank you. Ferrous fumarate c4H2FeO4 - Was this comment helpful? vipan in Ahmadabad, India 65 months ago if the dose of the drug given to the rat is 8mg in 0.1ml.i prepared 8mg/ml . but i cannot understand how 8mg/ml is converted to 8mg in 0.1 ml? pls sir reply me - Was this comment helpful? Crystal Allen in Tucson, Arizona 65 months ago Based on the IV order, calculate: a. Concentration that you would dilute the vial b. Diluent volume c. Volume to withdraw to prepare prescribed dose Drug available: 1-g powder vial. Directions read: For IM use, dilute with 2.5 mL for a concentration of 330mg/mL. For IV use, dilute with 9.5 mL for a concentration of 100 mg/mL or dilute with 4.5 mL for a concentration of 200 mg/mL 500mg IVPB q12h 1.5 g IM BID - Was this comment helpful? Liza in Grand Rapids, Michigan 65 months ago I need some help with knowing the steps to solving the following problem. How many capsules are needed to prepare 30ml of 1% clindamycin hydrochloride solution if each capsule containes 150mg of clindamycin hyrdochloride? Thank you very much! - Was this comment helpful? dani in Burnaby, British Columbia 64 months ago C1V1=C2V2 - Was this comment helpful? J in Stockton, California 64 months ago still new at this so forgive me. How do I get this answer: you rcv the foll prescription: Megace Susp 60mg bid; & the product avail is 40mg/mL in a 240mL container. -How long will this bottle last the patient? The answer is 80 days but I can't get how the answer was achieved. I tried the DODA method but keep getting wrong answers. Can someone help? - Was this comment helpful? J in Stockton, California 64 months ago I'm still new at this so please bare w/ me. I have the answer but don't know how to get the answer. The question is: You receive the foll prescription: Megace Susp 60mg bid; and the product available is 40mg/mL in a 240mL container. How long will this bottle last the patient? I've tried the DODA method and still cant the answer which is supposedly 80days. Can someone help me please? - Was this comment helpful? Rph in Palm Beach Gardens, Florida 64 months ago J in Stockton, California said: I'm still new at this so please bare w/ me. I have the answer but don't know how to get the answer. The question is: You receive the foll prescription: Megace Susp 60mg bid; and the product available is 40mg/mL in a 240mL container. How long will this bottle last the patient? I've tried the DODA method and still cant the answer which is supposedly 80days. Can someone help me please? Answer: 60mg BID=120mg/day 40mg/ml * 240ml = 9600mg 9600mg/120mg/day = 80 days - Was this comment helpful? samuel Boucher in Chandler, Arizona 64 months ago I am trying to figure this problem. I have to dilute 1g of powder to 330 mg/ml and give a 600 mg dose. I need to know how much diltent to add, how much to withdraw and what size syringe to use. I have never used or do I have a needle to know what size. I can problaby figure out the diluent to add - Was this comment helpful? rt in Port-of-spain, Trinidad and Tobago 63 months ago how many grams of yellow mercuric oxide must be added to 30g of 1% yellow mercuric oxide ointment to prepare a 5% ointment. - Was this comment helpful? Brooke in Gallatin, Missouri 61 months ago i need help solving this problem...i dont even know how to set it up..if someone could please explain how i get this answer that would be wonderful..thanks how many 500mg metronidazole tablest will be needed to compound 150ml of 3% meronidazole suspension? - Was this comment helpful? Rak in Mendham, New Jersey 61 months ago Brooke in Gallatin, Missouri said: i need help solving this problem...i dont even know how to set it up..if someone could please explain how i get this answer that would be wonderful..thanks how many 500mg metronidazole tablest will be needed to compound 150ml of 3% meronidazole suspension? 3% is 3 gm in 100 ml i.e 3000 mg in 100 ml how much in 150 ml x X 100 = 3000 x 150 x = 4500 mg 1 tab = 500 mg y tab = 4500 mg y = 4500 divided by 500 y = 9 tabs - Was this comment helpful? koolrvr31 in Wichita, Kansas 60 months ago PLEASE HELP 1. The following formula is to make a total of 50 gelcaps. How much of each ingredient is needed to make only 10 gelcaps? Formula: caffeine 0.6 g aspirin 2.0 g inert ingredient 0.25 g I have done this assignment 3 different ways and still get it wrong. I am taking the pharmacy tech course through an online school and have gotten zero help or responses from my emails. II want to understand where I am going wrong. thank you in advance - Was this comment helpful? koolrvr31 in Wichita, Kansas 60 months ago koolrvr31 in Wichita, Kansas said: PLEASE HELP 1. The following formula is to make a total of 50 gelcaps. How much of each ingredient is needed to make only 10 gelcaps? Formula: caffeine 0.6 g aspirin 2.0 g inert ingredient 0.25 g I have done this assignment 3 different ways and still get it wrong. I am taking the pharmacy tech course through an online school and have gotten zero help or responses from my emails. II want to understand where I am going wrong. thank you in advance Also, I know this is an aligation problem and thought I understand how to plug the numbers, but its not working out - Was this comment helpful? Carebear in Warsaw, Indiana 60 months ago The doctor writes a prescription for an insufflation for 500 mg of Amoxicillin for an adult. The active ingredient Amoxicillin is combined with a medium of Calcium Carbonate. There is a 1:3 ratio of Amoxicillin to Calcium Carbonate. The same insufflation needs to be created for an infant; the total weight of the new insuffulation is 300 mg. What is weight of Calcium Carbonate for the new insuffulation and what is the weight of Amoxicillin for the new insuffulation? What is the simple wayto convert 222mcg into ml??? - Was this comment helpful? Rak in Mendham, New Jersey 60 months ago Carebear in Warsaw, Indiana said: The doctor writes a prescription for an insufflation for 500 mg of Amoxicillin for an adult. The active ingredient Amoxicillin is combined with a medium of Calcium Carbonate. There is a 1:3 ratio of Amoxicillin to Calcium Carbonate. The same insufflation needs to be created for an infant; the total weight of the new insuffulation is 300 mg. What is weight of Calcium Carbonate for the new insuffulation and what is the weight of Amoxicillin for the new insuffulation? What is the simple wayto convert 222mcg into ml??? One way is , Let the aamount of amoxicillin be x, then Calcium carbonate is 3x therefore x + 3x = 300 mg 4x = 300 mg x = 75 mg Amoxicillin 3x= 225 mg Calcium carbonate. Let me know if this answer is correct. If not i will try with another method. - Was this comment helpful? Rak in Mendham, New Jersey 60 months ago koolrvr31 in Wichita, Kansas said: PLEASE HELP 1. The following formula is to make a total of 50 gelcaps. How much of each ingredient is needed to make only 10 gelcaps? Formula: caffeine 0.6 g aspirin 2.0 g inert ingredient 0.25 g I have done this assignment 3 different ways and still get it wrong. I am taking the pharmacy tech course through an online school and have gotten zero help or responses from my emails. II want to understand where I am going wrong. thank you in advance Hi pls tell me what the answer, if you dont have , its fine. Here is my answer 0.12, 0.4 , 0.05 gm . Let me know if its correct. i would really like to help - Was this comment helpful? mirandalrose in Seminole, Oklahoma 59 months ago A physician writes an order for a patient to receive KCl 40 mEq/1 L NS @ 80 ml/hr. What amount of KCl will the patient receive per hour? - Was this comment helpful? Rak in Mendham, New Jersey 59 months ago mirandalrose in Seminole, Oklahoma said: A physician writes an order for a patient to receive KCl 40 mEq/1 L NS @ 80 ml/ hr . What amount of KCl will the patient receive per hour? Snce KCL is administered 80 ml in 1 hr hence for 1 l i.e 1000 ml will be given every 12.5 hrs 40 mEq = 12.5 hrs hence in 1 hr 40 /12.5 = 3.2 mEq /hr 3.2 mEq/ hr is the answer. - Was this comment helpful? keshia in Richmond, Virginia 53 months ago Plz help with solving this problem: Calculate the flow rate in drops per minute if a physician orders DSW/NS 1,0000ml over 12 hours, with an administration set that delivers 16 gtt/ml - Was this comment helpful? kelly456 in Austin, Texas 52 months ago Swiftly convert 1080P videos, DVD, Blu-rays to Microsoft Surface Pro Summary: You can effortlessly get your own movie library including DVD/Blu-ray movies and various formats of 1080p videos to Microsoft Surface Pro for playback on the go. It's easier that you may think and it can be done along with some help from a Ultimate Movie Converter for Microsoft Surface. The Microsoft Surface Pro's 10.6-inch beautiful 1,920x1,080-pixel screen is great for watching movies. 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