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Introductory Chemistry: A Foundati...

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

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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34. For each of the following solutions, the number of moles of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution.

a. 0.754 mol KNO; 225 mL

b. 0.0105 in of CaCl; 10.2 mL

c. 3.15 mol NaCl; 5.00 L

d. 0.499 mol NaBr; 100. mL

Interpretation Introduction

(a)

Interpretation:

The molarity of the given solution is to be calculated.

Concept Introduction:

The division of total number of moles of solute with the volume of the solution in liters is termed as molarity. The unit of molarity is mol/L or M. The formula used to express the molarity of the solution is,

Molarity=MolesofsoluteVolumeL.

Explanation

The given moles of KNO3 is 0.754mol.

The given volume of KNO3 solution is 225mL.

The conversion of mL into L is done as,

1mL=1×103L

Thus, the volume of KNO3 solution becomes,

225mL=0

Interpretation Introduction

(b)

Interpretation:

The molarity of the given solution is to be calculated.

Concept Introduction:

The division of total number of moles of solute with the volume of the solution in liters is termed as molarity. The unit of molarity is mol/L or M. The formula used to express the molarity of the solution is,

Molarity=MolesofsoluteVolumeL.

Interpretation Introduction

(c)

Interpretation:

The molarity of the given solution is to be calculated.

Concept Introduction:

The division of total number of moles of solute with the volume of the solution in liters is termed as molarity. The unit of molarity is mol/L or M. The formula used to express the molarity of the solution is,

Molarity=MolesofsoluteVolumeL.

Interpretation Introduction

(d)

Interpretation:

The molarity of the given solution is to be calculated.

Concept Introduction:

The division of total number of moles of solute with the volume of the solution in liters is termed as molarity. The unit of molarity is mol/L or M. The formula used to express the molarity of the solution is,

Molarity=MolesofsoluteVolumeL.

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