Answer:
6 mol of A₂B₃ are produced
Step-by-step explanation:
This is the reaction:
4A + 3B₂ → 2A₂B₃
4 moles of A react with 3 moles of B to produce 2 moles of A₂B₃.
Ratio is 4:2. Therefore:
4 moles of A will produce 2 moles of A₂B₃
12 moles of A, would produce (12 .2) / 4 = 6 moles