Question

Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen. Write a balanced equation for the reaction and calculate the number of moles of hydrochloric acid required to react with 0.87 mole of aluminum.

Answer 1

Answer:

The balanced equation for the reaction:

$2Al+6HCl\rightarrow 2AlCl_3+3H_2$

The moles of hydrochloric acid required are 2.61 moles.

Explanation:

Aluminum reacts with hydrochlorioc acid to gove aluminum chloride and hydrogen gas as products.

The balanced chemical equation is given as:

$2Al+6HCl\rightarrow 2AlCl_3+3H_2$

Moles of aluminum = 0.87 mol

According to a chemical reaction, 2 moles of aluminum reacts with 6 moles of hydrochloric acid, then 0.87 moles of aluminum will react with:

$=\frac{6}{2}\times 0.87 mol=2.61\text{ mol of HCl}$

The moles of hydrochloric acid required are 2.61 moles.