Ideal gas law

Chemistry Level pending

Hydrogen is produced by the reaction of $$3.12$$ g of sodium with excess gaseous hydrogen chloride as follows:

$2\text{Na}(s) + 2\text{HCl}(g) \rightarrow 2\text{NaCl}(s) + \text{H}_{2}(g).$

How many liters of hydrogen will be produced at $$50.0$$ °C and $$0.850$$ atm?

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