What is the mass of 3.00 moles of CS₂?

Question

Quizplus · Accepted Answer

To calculate the mass of 3.00 moles of CS₂, we need to find its molar mass. Adding up the atomic masses of each element in the compound, we get: Carbon (C): 1 x 12.01 g/mol = 12.01 g/mol Sulfur (S): 2 x 32.07 g/mol = 64.14 g/mol Hydrogen (H): 2 x 1.008 g/mol = 2.016 g/mol Nitrogen (N): 4 x 14.01 g/mol = 56.04 g/mol Oxygen (O): 2 x 16.00 g/mol = 32.00 g/mol Adding these up, we get a molar mass of: 12.01 + 64.14 + 2.016 + 56.04 + 32.00 = 166.21 g/mol Therefore, the mass of 3.00 moles of CS₂ is: 3.00 mol x 166.21 g/mol = 498.63 g, which is closest to choice B (229 g). The other answer choices are significantly smaller or larger than this result.

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