Question

hydrogen and oxygen combine in the ratio of 1.8 by mass to form water. what mass of oxygen gas would be required to react completely with 3 grams of hydrogen gas?

Answer 1

Answer:

moles of h = 3

moles of O = 3/2 ×1 = 1.5 moles Answer

for water 2 moles of h reacts with 1 mole of O to form 1 mole of h2o

then

Answer 2

Explanation:

mark me as the brailliest