
(a)
Interpretation:
Formal concentration of
Concept Introduction:
Molarity, also formal concentration is one of the parameters used to express concentration of a solution. It is expressed as,
Mass percent is one of parameters used to express concentration of a solution. It is expressed as,
(a)

Answer to Problem 1.BE
Formal concentration of
Explanation of Solution
Assume that volume of solution is
Rearranging the above expression,
Substitute the known values,
As we know,
Mass of the solute,
Number of moles of Hydrogen bromide is,
Molarity or formal concentration of the solution is calculated as,
(b)
Interpretation:
Mass of solution that contains
Concept Introduction:
Mass percent is one of parameters used to express concentration of a solution. It is expressed as,
(b)

Answer to Problem 1.BE
Mass of solution that contains
Explanation of Solution
As we know,
Mass percent of
(c)
Interpretation:
Volume of solution that contains
(c)

Answer to Problem 1.BE
Volume of solution that contains
Explanation of Solution
In the previous step we calculated molarity of
(d)
Interpretation:
The volume of solution required to prepare
Concept Introduction:
Dilution formula refers to a formula to obtain the quantity of concentrated solution to be withdrawn to make dilute solution of desired quantity. The formula is given as,
Where,
(d)

Answer to Problem 1.BE
The volume of solution required to prepare
Explanation of Solution
Applying the dilution formula calculate the quantity of
The Dilution formula is given as,
Let ‘x’ be the quantity of concentrated
Plugging the above values in the equation (1),
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Chapter 1 Solutions
Quantitative Chemical Analysis
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