Answer:
2.938 mol Pb(NO₃)₄
Explanation:
Step 1: Given data
Step 2: Write the balanced equation
4 (NH₄)₃PO₄ + 3 Pb(NO₃)₄ = Pb₃(PO₄)₄ + 12 NH₄NO₃
Step 3: Calculate the number of moles of Pb(NO₃)₄required to produce 11.75 moles of NH₄NO₃
The molar ratio of Pb(NO₃)₄ to NH₄NO₃ is 3:12.
11.75 mol NH₄NO₃ × (3 mol Pb(NO₃)₄/12 mol NH₄NO₃) = 2.938 mol Pb(NO₃)₄