alleryMass by mass percentage tells grams of solute in:
A100 g solution
B100 mL of air
C10 kg solvent
Done mL water
Answer & Solution
Correct answer: A. 100 g solution
1. Percentage always compares a part with a hundred.
2. For mass by mass, both are measured in grams.
3. It gives the grams of solute in 100 grams of solution.
4. So the answer is 100 g solution.
_Source: syllabus Science, Ch 5 'Exploring Mixtures and their Separation'_
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