Calculate the volume of hydrogen that can be obtained by reacting calcium with 730

Calculate the volume of hydrogen that can be obtained by reacting calcium with 730 g of hydrochloric acid solution, the mass fraction of hydrogen chloride in which is 10%.

1. The interaction of calcium with hydrochloric acid occurs according to the equation:

Ca + 2HCl = CaCl2 + H2 ↑;

2.calculate the mass of hydrogen chloride:

m (HCl) = w (HCl) * m (solution) = 0.1 * 730 = 73 g;

3. find the chemical amount of HCl and determine the amount of hydrogen produced:

n (HCl) = m (HCl): M (HCl) = 73: 36.5 = 2 mol;

n (H2) = n (HCl): 2 = 2: 2 = 1 mol;

4.calculate the volume of hydrogen:

V (H2) = n (H2) * Vm = 1 * 22.4 = 22.4 liters.

Answer: 22.4 liters.