AP Chemistry
1.3 Elemental Composition of Pure Substances
1.1 Moles and Molar Mass
A student heats a sample of pure vanadium metal, \(\text{V}\), in a covered crucible until the metal reacts completely with oxygen to form an oxide. The data from the experiment are shown in the table below.
Based on the experimental data, what is the empirical formula of the vanadium oxide product?
| Measurement | Mass (\(\text{g}\)) |
|---|---|
| Crucible and cover | \(18.20\) |
| Crucible, cover, and \(\text{V}\) | \(20.75\) |
| Crucible, cover, and vanadium oxide | \(22.75\) |
Based on the experimental data, what is the empirical formula of the vanadium oxide product?
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