What is the mass of 1.00 mol of sulfur trioxide?

Name: What is the mass of 1.00 mol of sulfur trioxide?
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Question

Quizplus · Accepted Answer

The molar mass of sulfur trioxide (SO3) is the sum of the atomic masses of sulfur (32.07 g/mol) and three oxygen atoms (3 x 16.00 g/mol). 
Therefore, molar mass of SO3 = 32.07 g/mol + (3 x 16.00 g/mol) = 80.06 g/mol
So, the mass of 1.00 mol of SO3 is 80.06 g. Therefore, the correct choice is B.

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