(a)
Interpretation:
The given maximum safe level of copper present in drinking water is to be converted to parts per million.
Concept introduction:
The concentration units are preferentially expressed in parts per million in cases where the solute is present in very minor amount. Analogous to the percentage concentration parts per million is defined as number of parts of solute present in
In terms of volume, the parts per million may be expressed as follows:
The conversion factor to convert micrograms to grams is as follows:
The conversion factor to convert kilograms to grams is as follows:
(b)
Interpretation:
Concept introduction:
The concentration units are preferentially expressed in parts per million in cases where the solute is present in very minor amount. Analogous to the percentage concentration parts per million is defined as number of parts of solute present in
In terms of volume, the parts per million may be expressed as follows:
The conversion factor to convert micrograms to grams is as follows:
The conversion factor to convert kilograms to grams is as follows:
(c)
Interpretation:
Concept introduction:
The concentration units are preferentially expressed in parts per million in cases where the solute is present in very minor amount. Analogous to the percentage concentration parts per million is defined as number of parts of solute present in
In terms of volume, the parts per million may be expressed as follows:
The conversion factor to convert micrograms to grams is as follows:
The conversion factor to convert kilograms to grams is as follows:
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