The adult dosage of diphenhydramine, an antihistamine, is 50.0 mg. A 21 Ib child should only receive 20.0% of the adult dose. Calculate this dose in milligrams. Enter the dose numerically - NO UNITS (provided): mg Use your answer find to solve the next part : liquid diphenhydramine comes in a concentration of 12.5 mg per 5.00 mL. how many milliliters of diphenhydramine should be administered to the child? Enter the dose numerically - NO UNITS (provided): mL Pay attention to significant figures

The adult dosage of diphenhydramine, an antihistamine, is 50.0 mg. A 21 Ib child should only receive 20.0% of the adult dose. Calculate this dose in milligrams. Enter the dose numerically - NO UNITS (provided): mg Use your answer find to solve the next part : liquid diphenhydramine comes in a concentration of 12.5 mg per 5.00 mL. how many milliliters of diphenhydramine should be administered to the child? Enter the dose numerically - NO UNITS (provided): mL Pay attention to significant figures

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter2: Chemical Compounds

Section: Chapter Questions

Problem 105QRT

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At a certain temperature, 0.878 g of a pure liquid substance occupies 1.00 mL. What is the volume of 33 grams of liquid?
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Nurses are often required to calculate dosages. That is, they must check the order that a doctor has given for the administration of a drug and decide whether the dosage is correct. To calculate correctly they must convert between different metric units. For example, 1,000 milligrams (mg) = 1 gram (g); and 1,000 micrograms (mcg) = 1 mg. - Suppose a doctor has ordered a dose of 0.1 gram of a medication. The drug comes in a solution concentration of 300 mg per milliliter. How many milliliters of this solution is required?
A prescription requires an 4.82 mL injection of a 1:100 solution of a drug. The pharmacy only carries a 1:250 solution. What volume (in mL) injection would be required to maintain the same drug dosage? Give your answer rounded to two digits to the right of the decimal point. Do not enter the unit.
Hydrocortisone is used as an anti-inflammatory for localized pain. You need to prepare a 45 mg/mL solution of hydrocortisone for an injection via a dilution. You have 15 mL of a 175 mg/mL stock solution of hydrocortisone available. How many mL of the 45 mg/mL solution can you prepare? Note: Provide your answer using the correct number of significant figures and remember to include your units.
The liquid substances mercury (density = 13.6 g/mL), water(1.00 g/mL), and cyclohexane (0.778 g/mL) do not forma solution when mixed but separate in distinct layers. Sketchhow the liquids would position themselves in a test tube.
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You are to give ampicillin, with a recommended dose of 45 mg/kg, to a child with a mass of 24 kg. If stock on hand is 250 mg/capsule, how many capsules should be given? Express the number of capsules as an integer.
Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 125 mLmL of insulin at a concentration of 50.0 mg/mLmg/mL . What is the total mass of insulin in the bottle? Express your answer numerically in milligrams.
a pharmacy technician is asked to prepare an antibiotic IV that will contain 454mg of cephalosporin for every 100.mL of normal saline solution. The total volume of saline solution will be 1.00L. How many grams of the cephalosporin are needed to prepare this IV?
TUMS is a popular remedy for acid indigestion. A typical TUMS tablet contains calcium carbonate plus some inert substances. When ingested, it reacts with the gastric juice (hydrochloric acid) in the stomach to give off carbon dioxide gas. When a 1.344−g tablet reacted with 40.00 mL of hydrochloric acid (density = 1.140 g/mL), carbon dioxide gas was given off, and the resulting solution weighed 46.699 g. Calculate the number of liters of carbon dioxide gas released if its density is 1.81 g/L
A chemist must prepare 550.mL of 60.0mM aqueous potassium dichromate K2Cr2O7 working solution. He'll do this by pouring out some 0.403molL aqueous potassium dichromate stock solution into a graduated cylinder and diluting it with distilled water. Calculate volume in mL of potassium dichromate stock solution that the chemist should pour out. Be sure your answer has the correct number of significant digits.

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