2h2 + o2 > 2h2o

how many moles of oxygen (o2) are required to completely react with 27.4 mol of h2?

a.) 6.8 mol
b.) 13.7 mol
c.) 54.8 mol
d.) 109.6 mol

answer is a

explanation:

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.