Balance the chemical equation given below,and determine the number of moles of iodine that react with 40.0 g of aluminum. _____ Al(s)+ _____ I₂(s)→ _____ Al₂I₆(s) A) 0.988 mol B) 2.22 mol C) 2.97 mol D) 4.45 mol

Question

Quizplus · Accepted Answer

The balanced equation is 2 Al + 3 I2 → Al2I6. The molar mass of Al is 26.98 g/mol, so 40.0 g of Al is 40.0 g / 26.98 g/mol = 1.48 mol Al. According to the balanced equation, 2 moles of Al react with 3 moles of I2, so 1.48 mol Al will react with (3/2) * 1.48 mol = 2.22 mol of I2.

Balance the Chemical Equation Given Below,and Determine the Number of Moles