A sample of C₇H₅N₃O₄ contains 0.255 moles of hydrogen atoms. This same sample also contains 0.500 moles of oxygen atoms.

Name: A sample of C 7 H 5 N 3 O 4 contains 0.255 moles of hydrogen atoms. This same sample also contains 0.500 moles of oxygen atoms.
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Question

Quizplus · Accepted Answer

The compound C7H5N3O4 has 5 hydrogen atoms per molecule. If there are 0.255 moles of hydrogen atoms, then there are 0.051 moles of the compound. This would result in 0.204 moles of oxygen atoms, not 0.500 moles.

A Sample of C7H5N3O4 Contains 0

A Sample of C₇H₅N₃O₄ Contains 0