Answer to Question #125225 in Inorganic Chemistry for Kenny

Question #125225
A gas cylinder contains 5.0 kg of propane.
How many propane molecules are in the cylinder? The Avogadro constant, L = 6.022 × 1023 mol–1
1
Expert's answer
2020-07-07T14:19:02-0400

M(C3H8) = 44 g/mol

n(C3H8) = 5000 (g)/44 (g/mol) = 113,6 mol

N = n•NA = 113,6 • 6,02•1023 = 684,1•1023 molecules


Answer: 684,1•1023 molecules of propane are in the cylinder.


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