What is the mass of 0.500 mol of chlorotrifluoromethane,CClF₃?

Question

Quizplus · Accepted Answer

To calculate the mass of 0.500 mol of chlorotrifluoromethane, we need to use the molar mass of the compound. CClF₃ has a molar mass of 137.37 g/mol. Therefore, the mass of 0.500 mol of the compound would be: 0.500 mol x 137.37 g/mol = 68.69 g The only choice that is close to this value is B, which is 52.2 g. However, this is obviously incorrect as it is much lower than the expected value. Therefore, we can eliminate it. The other two choices are much higher than the expected value, so they can also be eliminated. Hence, the correct answer is B.

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