When the following equation is balanced, the coefficient of Al is ________. Al (s) + H₂O (l) → Al(OH)₃ (s) + H₂ (g) A)1 B)2 C)3 D)5 E)4

Question

Quizplus · Accepted Answer

Al (s) + 2H₂O (l) → Al(OH)₃ (s) + H₂ (g) The balanced equation requires 2 moles of H2SO4 to react with 1 mole of Al, so the coefficient of Al is 1 and the coefficient of H2SO4 is 2. Therefore, the answer is B.

When the Following Equation Is Balanced, the Coefficient of Al