What volume of methane will be released when 10 g of aluminum carbide (Al4C3) interacts with 10 g of water?
May 14, 2021 | education
| Al4C3 + 12H2O = 3CH4 + 4Al (OH) 3
Let’s find the amounts of water and aluminum carbide:
n (H2O) = m (H2O) / M (H2O) = 10/18 = 0.556 mol;
n (Al4C3) = m (Al4C3) / M (Al4C3) = 10/144 = 0.0694 mol;
There is a shortage of water, so the calculation is based on it.
n (CH4) = 0.25n (H2O) = 0.556 * 0.25 = 0.139 mol;
V (CH4) = n (CH4) * VM = 0.139 * 22.4 = 3.114 l.
Answer: V (CH4) = 3.114 l.
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