Calculate the mass of 5 mol of ethane C2H6.

univerkov | September 19, 2021 | education

Given:
ν (C2H6) = 5 mol
Find:
m (C2H6) =?
Solution.
To determine the mass of ethane, we use the formula:
ν (C2H6) = m (C2H6) / M (C2H6);
m (C2H6) = M (C2H6) * ν (C2H6);
M (C2H6) = 12 * 2 + 1 * 6 = 24 + 6 = 30 g / mol;
m (C2H6) = 30 g / mol * 5 mol = 150 g.
Answer: m (C2H6) = 150 g.

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