Question

Use the balanced equation to answer the question.

2 C2H6(g) + 5 O2(g) delta 4 CO(g) + 6 H2O(g)

How many moles of O2 are needed to react completely with 2.0 moles of C2H6?

Answer 1

Answer: 5 moles O2

Step-by-step explanation:

2 moles C2H6 x ( 5 moles O2/2 mole C2H6) = 5 moles O2