Question

5. What is the mass percent concentration of a solution made by adding 21.4 g of sodium chloride to 135.0 g water? 6. Benadryl extra strength anti-itch ointment is a 2% (m/v) diphenhydramine hydrochloride solution. If one tube contains 29.5 milliliters of ointment, how many milligrams of diphenhydramine hydrochloride does it contain?

          5. What is the mass percent concentration of a solution made by adding 21.4 g of sodium chloride to 135.0 g water?
6. Benadryl extra strength anti-itch ointment is a 2% (m/v) diphenhydramine hydrochloride solution. If one tube contains 29.5 milliliters of ointment, how many milligrams of diphenhydramine hydrochloride does it contain?

5. What is the mass percent concentration of a solution made by adding 21.4 g of sodium chloride to 135.0 g water?
6. Benadryl extra strength anti-itch ointment is a 2% (m/v) diphenhydramine hydrochloride solution. If one tube contains 29.5 milliliters of ointment, how many milligrams of diphenhydramine hydrochloride does it contain?

Added by Yolanda D.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adi S

06/05/2023

Step 1

The formula for mass percent is: Mass percent $= \frac{\text{mass of solute}}{\text{mass of solution}} \times 100\%$ The mass of solute (sodium chloride) is 21.4 g. The mass of solvent (water) is 135.0 g. The mass of the solution is the sum of the mass of Show more…

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5. What is the mass percent concentration of a solution made by adding 21.4 g of sodium chloride to 135.0 g water? 6. Benadryl extra strength anti-itch ointment is a 2% (m/v) diphenhydramine hydrochloride solution. If one tube contains 29.5 milliliters of ointment, how many milligrams of diphenhydramine hydrochloride does it contain?