STANDARDChemistry-Solutions
STANDARD Chemistry Concentration MCQ Question
Type: MCQ-numerical-Easy-Class 12
A solution is prepared by adding 5 g of a solute 'X' to 45 g of solvent 'Y'. What is the mass per cent of the solute 'X'?
A
10%
B
11.1%
C
90%
D
75%
Correct Answer
Option A
Detailed Explanation
The mass percent of X is calculated as (Mass of X / Mass of solution) × 100 = (5 / (5 + 45)) × 100 = 10%.
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