   Chapter 15, Problem 45QAP ### 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
1 views

# 45. What mass of the indicated solute does each of the following solutions contain? a. 2.50 L of 13.1 M HCI solution b. 15.6 mL of 0.155 M NaOH solution c. 135 mL of 2.01 M HNO3 solution d. 4.21 L of 0.515 M CaCl2 solution

Interpretation Introduction

(a)

Interpretation:

The mass of the indicated solute in the given solution is to be calculated.

Concept Introduction:

The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.

The number of moles is calculated by the formula,

Moles=MassgMolarmass

The molarity is calculated by the formula,

Molarity=NumberofmolesofsoluteVolumeofsolution.

Explanation

The volume and molarity of HCl solution is given to be 2.50L and 13.1M respectively.

The molar mass of HCl is calculated as shown below.

MolarmassofHCl=AtomicmassofH+AtomicmassofCl=1+35.45g/mol=36.45g/mol

The number of moles of a solute is calculated by the formula,

Numberofmolesofsolute=Volumeofsolution×Molarity

Substitute the values of volume of solution and molarity of HCl solution in the above expression

Interpretation Introduction

(b)

Interpretation:

The mass of the indicated solute in the given solution is to be calculated.

Concept Introduction:

The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.

The number of moles is calculated by the formula,

Moles=MassgMolarmass

The molarity is calculated by the formula,

Molarity=NumberofmolesofsoluteVolumeofsolution.

Interpretation Introduction

(c)

Interpretation:

The mass of the indicated solute in the given solution is to be calculated.

Concept Introduction:

The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.

The number of moles is calculated by the formula,

Moles=MassgMolarmass

The molarity is calculated by the formula,

Molarity=NumberofmolesofsoluteVolumeofsolution.

Interpretation Introduction

(d)

Interpretation:

The mass of the indicated solute in the given solution is to be calculated.

Concept Introduction:

The atomic mass of an element is defined as the sum of number of protons and number of neutrons. Molar mass of an element is determined from atomic mass of an element.

The number of moles is calculated by the formula,

Moles=MassgMolarmass

The molarity is calculated by the formula,

Molarity=NumberofmolesofsoluteVolumeofsolution.

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