Rubbing alcohol is commonly used as an antiseptic for small cuts. It is sold as a 70% solution of isopropyl alcohol in water. What volume of isopropyl alcohol is used to make 500 mL of rubbing alcohol?

Rubbing alcohol is commonly used as an antiseptic for small cuts. It is sold as a 70% solution of isopropyl alcohol in water. What volume of isopropyl alcohol is used to make 500 mL of rubbing alcohol?

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter10: Solutions

Section: Chapter Questions

Problem 6QAP

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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

1) Rubbing alcohol is commonly used as an antiseptic for small cuts. It is sold as a 70% solution of isopropyl alcohol in water. What volume of isopropyl alcohol is used to make 500 mL of rubbing alcohol?

2) What is the concentration, in % (m/v) of a solution containing 15.0 g KCl in 600.0 mL solution?

3) What volume of 0.250 M KOH solution contains 6.31 grams of KOH?

Determine the following: Pm, Pv, Pm/v, XA, m, and M if 107.125 grams NaOH is dissolved in 480 mL of water; if the density of NaOH is 2.13 g/mL and density of H2O is 1.00 g/mL.

B. Determine the following: Pm, Pv, Pm/v, XA, m, and M if 107.125 grams NaOH is dissolved in
480 mL of water; if the density of NaOH is 2.13 g/ml and density of H20 is 1.00 g/mL.
(40 points)
MASS
VOLUME
DENSITY MOLAR MASS
MOLE
SOLUTE
SOLVENT
SOLUTION

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