   Chapter 15, Problem 11ALQ ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

#### Solutions

Chapter
Section ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
29 views

# Which of the following solutions contains the greatest number of particles? Support your answer. .0 mL of 0 10 M sodium chloride .0 mL of 0.10 M calcium chloride .0 mL of 0.10 M iron(III) chloride .0 mL of 0.10 M potassium bromide .0 mL of 0.10 M sucrose (table sugar)

Interpretation Introduction

Interpretation:

The solution containing the greatest number of particles is to be predicted.

Concept Introduction:

There are many ways to determine the concentration of the solution. One of the most used methods is molarity. Molarity may be defined as the number of moles of the solute in one liter of the whole solution. Thus, the molarity can be calculated as,

M=molesofsolute(mole)totalvolumeofsolution(L).

Explanation

Reason for correct option:

(b) The molarity of the 300mL solution of calcium chloride is 0.10M.The number of moles present in the given solution is calculated by the formula,

M=molesofsolute(mole)totalvolumeofsolution(L)

Substitute the values of molarity and volume in the given formula.

molesofsolute(mole)=M×totalvolumeofsolution(L)=0.1(molL-1)×3001000L=0.03mol

The total number of moles in the given solution is 0.03mol

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