(a)
Interpretation:
The concentration in parts per million of copper has to be calculated.
Concept Introduction:
Parts per million: The parts per million is calculated using the formula,
(a)
Answer to Problem 7.80AP
The concentration in parts per million of copper is
Explanation of Solution
Given,
Mass of the solute=
Mass of the solution=
Microgram is converted into grams,
Kilograms to gram is converted as,
The concentration in parts per million is calculated as,
The concentration in parts per million of copper is
(b)
Interpretation:
The concentration in parts per million of arsenic has to be calculated.
Concept Introduction:
Refer to part (a).
(b)
Answer to Problem 7.80AP
The concentration in parts per million of arsenic
Explanation of Solution
Given,
Mass of the solute=
Mass of the solution=
Microgram is converted into grams,
Kilograms is converted into grams,
The concentration in parts per million is calculated as,
The concentration in parts per million of arsenic
(c)
Interpretation:
The concentration in parts per million of chromium has to be calculated.
Concept Introduction:
Refer to part (a).
(c)
Answer to Problem 7.80AP
The concentration in parts per million of chromium
Explanation of Solution
Given,
Mass of the solute=
Mass of the solution=
Microgram is converted into grams,
Kilograms is converted into grams,
The concentration in parts per million is calculated as,
The concentration in parts per million of arsenic
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Chapter 7 Solutions
Principles of General, Organic, Biological Chemistry
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