   Chapter 15, Problem 118AP ### 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
5 views

# How many moles and how many grains of the indicated solute does each of the following solutions contain? a. 4.25 L of 0.105 M KCI solution b. 15.1 mL of 0.225 M NaNO3 solution c. 25mL of 3.OMHCI d. 100. mL of 0.505 M H5SO4

Interpretation Introduction

(a)

Interpretation:

The moles and grams of the indicated solute in the given solution are 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=NumberofmolesofsoluteVolumeofsolutionL.

Explanation

The volume and molarity of KCl solution is given to be 4.25L and 0.105M respectively.

The molar mass of KCl is 74.55g/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 KCl solution in the above expression.

Numberofmolesofsolute=4.25L×0

Interpretation Introduction

(b)

Interpretation:

The moles and grams of the indicated solute in the given solution are 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=NumberofmolesofsoluteVolumeofsolutionL.

Interpretation Introduction

(c)

Interpretation:

The moles and grams of the indicated solute in the given solution are 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=NumberofmolesofsoluteVolumeofsolutionL.

Interpretation Introduction

(d)

Interpretation:

The moles and grams of the indicated solute in the given solution are 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=NumberofmolesofsoluteVolumeofsolutionL.

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