How many grams are contained in a 0.893 mol sample of methane, CH₄? A) 1.48 × 10^-24 g B) 5.38 × 10²³ g C) 8.64 × 10²⁴ g D) 14.3 g E) 18.0 g

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Quizplus · Accepted Answer

To find the mass of a 0.893 mol sample of methane (CH4), use the molar mass of methane. The molar mass of CH4 = 12.01 g/mol (C) + 4(1.01 g/mol) (H) = 16.05 g/mol. Multiply the molar mass by the number of moles: 0.893 mol × 16.05 g/mol = 14.3 g.

How Many Grams Are Contained in a 0