(a)
Interpretation:
The concentration of
Concept Introduction:
Mass percentage: The mass percentage gives the number of grams of solute present in 100g of solution. The formula of mass percentage is,
(a)
Answer to Problem 12.19QE
The concentration of
Explanation of Solution
Given,
Mass of
Mass of water =
Mass of solution =
The mass percentage of
The concentration of
(b)
Interpretation:
The concentration of
Concept Introduction:
Mole fraction: Mole fraction of a substance in a solution is the number of moles of that substance divided by the total number of moles of all substances present. The formula is,
(b)
Answer to Problem 12.19QE
The concentration of
Explanation of Solution
Given,
Mass of
Mass of water =
Mass of solution =
The moles of
The moles of water=
The mole fraction of
The concentration of
(c)
Interpretation:
The concentration of
Concept Introduction:
Molality: Molality is defined as moles of solute per specified amount of mass of the solvent. The formula is,
(c)
Answer to Problem 12.19QE
The concentration of
Explanation of Solution
Given,
Mass of
Mass of water =
Mass of solution =
The moles of
The concentration of
The concentration of
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Chapter 12 Solutions
Chemistry: Principles and Practice
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