How much hydrogen can be obtained by reacting sodium with 37 g of propanol?

univerkov | April 1, 2021 | education

1. We make a chemical equation, not forgetting to put down the coefficients:

2CH3CH2CH2OH + 2Na = 2CH3CH2CH2ONa + H2.

2. Find the amount of substance CH3CH2CH2OH:

n (CH3CH2CH2OH) = m / M = 37/60 = 0.61 mol.

3. Using the proportion, we find the amount of substance hydrogen:

n (H2) = 0.61 * 1/2 = 0.3 mol.

4. Let’s find the volume of hydrogen:

V (H2) = n * Vm = 0.3 * 22.4 = 6.9 liters.

Answer: V (H2) = 6.9 liters.

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