A sealed ampoule contains 18.0 g of H₂O(l) and 95.0 g of ethanol, C₂H₅OH(l) (molar…
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Problem
A sealed ampoule contains 18.0 g of H₂O(l) and 95.0 g of ethanol, C₂H₅OH(l) (molar mass 46.1 g mol⁻¹). The liquids do not react. Approximately how many discrete molecules are present in the ampoule?
(a) 3.64×1024 molecules
(b) 1.24×1024 molecules
(c) 1.84×1024 molecules
(d) 1.06×1024 molecules