What is the identity of substance X if 0.380 mol of X weighs 17.5 g? A)NO₂ B)NO₃ C)N₂O D)N₂O₄

Name: What is the identity of substance X if 0.380 mol of X weighs 17.5 g? A)NO 2 B)NO 3 C)N 2 O D)N 2 O 4
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Quizplus · Accepted Answer

The molar mass of substance X can be calculated by dividing the mass by the amount of substance: $ \frac{17.5 \, \text{g}}{0.380 \, \text{mol}} = 46.05 \, \text{g/mol} $. This molar mass corresponds to the molar mass of ethanol (C2H5OH), which is represented by choice A (NO₂).

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