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A sample of 22 g benzene is dissolved in 122 g of CCl4. What is the mass percentage of benzene?
A22.0%
B18.0%
C50.0%
D15.3%
Answer & Solution
Correct answer: D. 15.3%
Total mass is 144 g, and 22 divided by 144 times 100 is about 15.3 percent.
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