Homework Answers
1.25 ml=50 mg
1 ml=50/1.25=40 mg
on dilution with 15 ml
now 16 ml=40mg
1ml=40/60=0.67mg
therfore conc in mg/ ml= 0.67mg/ml
percentage strength=.67*100=67%
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A parent diluted 1 mL ibuprofen oral drops (Infant's MOTRIN Concentrated Drops) with 15 mL of...
Ordered: Infant's acetaminophen concentrated drops 160 mg for a 3- year-old child with a fever who...
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1.
2.
Using the equation C1V1 = C2V2, calculate the volume (V1) of concentrated solution and the volume of water needed to dilute the following solutions: Concentration Volume (in mls) Concentration of Volume (in mls) of Volume (in mls) of diluted of desired available stock stock solution required of solvent solution desired solution (V2) solution (C1) to make the diluted required to (C2) solution (V1) achieve desired volume (V2-V1) 5 mg/ml 100 ml 1000 mg/ml 15% 10 ml 50% 0.250...
29. You have the following concentrated commercial reagents on hand; make 1 L of a 6...
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1. what is the purpose of the following in this experiment: a. concentrated (and not dilute)...
1. what is the purpose of the following in this
experiment:
a. concentrated (and not dilute) hydrochloric acid
b. collecting the distillate in ice
c. sodium bicarbonate extraction
d. water extraction
e. anhydrous sodium or magnesium sulfate
chapter Alkyl Halides and Nucleophilic Aliphatic Substitution 13.1 SYNTHESIS OF BUTYL CHLORIDE Alkyl halides can be prepared by reacting an alcohol with concentrated hydrogen halides: R-OH + H-X- R-OH, R-X. HO where X-CI, Br, I. The reaction of hydrochloric acid with 2 and...
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Laboratory goggles must be worn! A) Preparation of Solutions from Concentrated Solution In this part the experiment you will prepare several dilute solutions from the more concentrated cobalt nitrate solution 1. Read the label on the provided cobalt nitrate solution and record the molarity accurately. su-olu 563/ 316.603:48 صلاح 2. 3. 4. Molarity of Ca(NO3)2 solution 182.95 g/mol Obtain a 25-ml buret. Examine its markings, the line that spans the entire circumference occur for each milliliter. The smaller lines indicate...
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1.How does adding NaOH to deionized water affect the pH differently than adding it to a...
1.How does adding NaOH to deionized water affect the pH differently
than adding it to a buffer?
2. how would you find the Ka of solution 4, after it is
diluted from solution 3? the measured pH was 4.98 which gave a [H+]
concentration of 1.05x10^-5.
Part A - Determining the Acid Ionization Constant for Acetic Acid Solution 1 6. Take a 30.0 mL sample of 10 M HOAc and place it in a beaker. Using a pH meter, measure...
Ordered: Infant's acetaminophen concentrated drops 160 mg for a 3- year-old child with a fever who weighs 30 lb The recommended dose for this child in milliliters is mg per mL. Is the ordered dose safe and therapeutic (S&T)? Answer yes or no. Infants' TYLENOL ASPIRIN FREE ALCOHOL FREE IBUPROFEN FREE Directions: 1. Shake well before using 2. Find right dose on chart below. If possible, use weight to dose; other wise, use age. 3. Only use enclosed dropper, fill...
1.
2.
Using the equation C1V1 = C2V2, calculate the volume (V1) of concentrated solution and the volume of water needed to dilute the following solutions: Concentration Volume (in mls) Concentration of Volume (in mls) of Volume (in mls) of diluted of desired available stock stock solution required of solvent solution desired solution (V2) solution (C1) to make the diluted required to (C2) solution (V1) achieve desired volume (V2-V1) 5 mg/ml 100 ml 1000 mg/ml 15% 10 ml 50% 0.250...
29. You have the following concentrated commercial reagents on hand; make 1 L of a 6 N reagent from each of them. What is the molarity of each concentrated reagent? How to make it? NFLOH sp. gr. = 0.90; 58% assay (V=1) H(CH3C00) sp. gr. = 1.05; 99% assay (v-1) 30. How much 0.02 N HSO, can you make from 200 mL of 4N HSO.? 31. How much Cuso, 8H20 will you need to weigh out to substitute for 120...
1. Your patient weighing 44 lbs has an order for Tylenol (acetaminophen) 325 mg stat. The recommendations for acetaminophen is 10 - 15 mg/kg/dose. Tylenol solution is available is 160mg per teaspoon. A. Is this ordered dose safe? B. How many mls would you give 2. A child has an order for ibuprofen 185 mg orally prn q6h. Ibuprofen solution is available as 100 mg tsp. How many ml do you need for this dose? 3. A client weighing 110...
1. what is the purpose of the following in this
experiment:
a. concentrated (and not dilute) hydrochloric acid
b. collecting the distillate in ice
c. sodium bicarbonate extraction
d. water extraction
e. anhydrous sodium or magnesium sulfate
chapter Alkyl Halides and Nucleophilic Aliphatic Substitution 13.1 SYNTHESIS OF BUTYL CHLORIDE Alkyl halides can be prepared by reacting an alcohol with concentrated hydrogen halides: R-OH + H-X- R-OH, R-X. HO where X-CI, Br, I. The reaction of hydrochloric acid with 2 and...
Laboratory goggles must be worn! A) Preparation of Solutions from Concentrated Solution In this part the experiment you will prepare several dilute solutions from the more concentrated cobalt nitrate solution 1. Read the label on the provided cobalt nitrate solution and record the molarity accurately. su-olu 563/ 316.603:48 صلاح 2. 3. 4. Molarity of Ca(NO3)2 solution 182.95 g/mol Obtain a 25-ml buret. Examine its markings, the line that spans the entire circumference occur for each milliliter. The smaller lines indicate...
8/30/2018 Dosage Forms Pharmaceutical calculations Anne Chapter 1 Practice Problems 1. If an insulin injection contains 100 units originemine, how many milliers should be injected to receive 40 units of insulin 2. An injection contains me of medicati in each militer (ml). If a physician prescribes dose or 0.5 mg to be administered to a hospital patient three times daily, how many of injection will be required over a 5-day period? 3. In a clinical study, a drug produced drowsiness...
9 You are instructed to administer DiaBeta 3.75mg. The vial label reads DiaBeta 2.5mg per tab. How many tablets will you administer? 10. You are to administer Gantrisin 75 mcg and the tablets you have are labeled Gantrisin 0.15 mg. How many tablets will you administer? 11. You are instructed to give Tigan, 0.3g, IM. Your vial reads Tigan, 20 ml multiple dose vial, 100 mg/mL. How many mL will you administer? 12. You are instructed to add 0.75 g...
1.How does adding NaOH to deionized water affect the pH differently
than adding it to a buffer?
2. how would you find the Ka of solution 4, after it is
diluted from solution 3? the measured pH was 4.98 which gave a [H+]
concentration of 1.05x10^-5.
Part A - Determining the Acid Ionization Constant for Acetic Acid Solution 1 6. Take a 30.0 mL sample of 10 M HOAc and place it in a beaker. Using a pH meter, measure...
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