
Concept explainers
(a)
Interpretation:
Whether mixture of
Concept Introduction:
As two substances get mixed, their molarity changes and volume gets added up. Thus, formula used to calculate new concentration of different substances is as follows:
Here,
Equilibrium quotient is denoted with
(a)

Explanation of Solution
The equation of mixture of
The formula used to calculate new molarity of
Here,
Rearrange equation (1) for
Substitute
Hence, final molarity of
The formula used to calculate new molarity of
Here,
Rearrange equation (1) for
Substitute
Hence, final molarity of
The ionization equation of
The equilibrium quotient for
Substitute
For
(b)
Interpretation:
Whether mixture of
Concept Introduction:
Refer to part (a).
(b)

Explanation of Solution
The equation of mixture of
The formula used to calculate new molarity of
Here,
Rearrange equation (1) for
Substitute
Hence, final molarity of
The formula used to calculate new molarity of
Here,
Rearrange equation (1) for
Substitute
Hence, final molarity of
The ionization equation of
The equilibrium quotient for
Substitute
For
(c)
Interpretation:
Whether mixture of
Concept Introduction:
Concentration of solution is expressed in terms of molarity. It is the ratio of moles of solute to the volume of solution in litres. The expression used to determine the concentration of solution is as follows:
Mole is the unit that measures the quantity such as atoms, volume and molecules. It is the ratio of given mass to molecular mass of substance. It is expressed as follows:
(c)

Explanation of Solution
The equation of mixture of
Moles of
Substitute
Molarity of
Substitute
The formula used to calculate new molarity of
Here,
Rearrange equation (1) for
Substitute
Hence, final molarity of
The formula used to calculate new molarity of
Here,
Rearrange equation (1) for
Substitute
00
Hence, final molarity of
The ionization equation of
The equilibrium quotient for
Substitute
For
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Chapter 16 Solutions
FOUND.OF COLLEGE CHEMISTRY
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