In a 10-gram sample of carbon and a 10-gram sample of sulfur, how many more moles of carbon are there than sulfur?
0.052 moles 0.52 moles 2.05 moles 20.05 moles

Answer : The more moles of carbon there than sulfur are, 0.52 moles.

Explanation : Given,

Mass of carbon = 10 g

Mass of sulfur = 10 g

Molar mass of carbon = 12 g/mol

Molar mass of sulfur = 32 g/mol

First we have to calculate the moles of carbon and sulfur.

and,

From this we conclude that,

Moles of carbon = 0.833 mol

Moles of sulfur = 0.312 mol

Difference between the moles of carbon and sulfur = 0.833 - 0.312 = 0.521 mol = 0.52 mol

Thus, the more moles of carbon there than sulfur are, 0.52 moles.

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