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Mass percentage (w/w) of a solution: 12 g sugar in 100 g of solution is:
A88%
B12.5%
C12%
D13%
Answer & Solution
Correct answer: C. 12%
Mass percent (w/w) = (mass solute / mass solution) × 100 = 12/100 × 100 = 12%. (Note: 12 g in 100 g of SOLUTION, not solvent.)
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