Which of the following has the greatest mass? A)1 mole of Pb B)1 mole of H₂ C)1 mole of Be D)1 mole of Na E)All have the same mass.

Name: Which of the following has the greatest mass? A)1 mole of Pb B)1 mole of H 2 C)1 mole of Be D)1 mole of Na E)All have the same mass.
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Question

Quizplus · Accepted Answer

The molar mass of Pb (lead) is 207.2 g/mol, whereas the molar masses of H₂, Be, and Na are much smaller (approximately 681.7 g/mol, 9.0 g/mol, and 22.9 g/mol, respectively). Therefore, 1 mole of Pb has the greatest mass.

Which of the Following Has the Greatest Mass