How many grams of H₂ gas can be produced by the reaction of 63.0 grams of Al(s)with an excess of dilute hydrochloric acid in the reaction shown below? 2 Al(s)+ 6 HCl(aq)→ 2 AlCl₃(aq)+ 3 H₂(g) A) 3.13 g B) 4.71 g C) 7.06 g D) 14.1 g

Question

Quizplus · Accepted Answer

Using stoichiometry and the given balanced equation, we can calculate the moles of hydrogen gas produced: 63.0 g Al x (1 mol Al/26.98 g Al) x (3 mol H2/2 mol Al) = 7.00 mol H2 Then, we can use the molar mass of H2 to find the mass of gas produced: 7.00 mol H2 x 2.02 g/mol H2 = 14.1 g H₂ Therefore, the correct answer is choice C.

How Many Grams of H2 Gas Can Be Produced by the Reaction

How Many Grams of H₂ Gas Can Be Produced by the Reaction