Consider the chemical equation 2H₂ + O₂ →2H₂O. Which of the following is the limiting reagent when 18 g hydrogen reacts with 30 g oxygen? (Molar masses: H = 1.008 g; O = 16.00 g)

Question

Quizplus · Accepted Answer

To find the limiting reagent, calculate the moles of each reactant. Moles of H₂ = 18 g / (2 * 1.008 g/mol) = 8.93 mol. Moles of O₂ = 30 g / (2 * 16.00 g/mol) = 0.9375 mol. The reaction requires 2 moles of H₂ per mole of O₂. Therefore, 0.9375 mol O₂ would require 1.875 mol H₂. Since we have more than enough H₂, O₂ is the limiting reagent.

Consider the Chemical Equation 2H2 + O2 →2H2O

Consider the Chemical Equation 2H₂ + O₂ →2H₂O