STANDARDChemistry-Stoichiometry
STANDARD Chemistry Percentage Composition MCQ Question
Type: MCQ-numerical-Medium
0.48 g of a sample of a compound containing boron and oxygen contains 0.192 g of boron and 0.288 g of oxygen. What will be the percentage composition of the compound?
A
60% and 40% B and O respectively
B
40% and 60% B and O respectively
C
30% and 70% B and O respectively
D
70% and 30% B and O respectively
Correct Answer
Option B
Detailed Explanation
The percentage of boron is (0.192/0.48) × 100 = 40%, and the percentage of oxygen is (0.288/0.48) × 100 = 60%.
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