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Which expression shows the mass percentage?

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None of the above

$Mass percentage = Mass fraction \times 1000$

$Mass percentage = Mass fraction \times 100$

$Mass percentage = Mass \times 1000$

answer is A.

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Detailed Solution

Concentration is a term used to express the amount of solute present in a solution or in a solvent.

Mass percentage is one of the concentration terms. Mass percentage of a component in a solution is equal to the mass of the component (solute) present per mass of the solution.

$Mass by mass percentage = \frac{Mass of solute}{Mass of solution} \times 100$

The ratio of mass of solute and mass of solution is called mass fraction.

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