Magnesium
reacts with water as shown in the following reaction.
Mg + 2H₂O
Mg(OH)₂ + H₂
How many grams of Mg are used to produce 5L of hydrogen gas at 10 °C
and 0.5 atm? (Molar Mass of
magnesium= 24.3g/mol; R=0.0821atm.L/mol.K)