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2 votes
How many grams of H2O can you make with 120g of O2.
Unbalanced equation is: H2 + O2 -> H2O

User Kwadz
by
3.2k points

2 Answers

13 votes
  • 2H2+O_2—»2H_2O

Moles of O_2

  • Given mass/Molar mass
  • 120/32
  • 3.75mol

1mol.of O_2 produces 2 mol water

Moles of water

  • 3.75(2)
  • 7.5mol

Mass

  • 7.5(18)
  • 135g
User Gillis Haasnoot
by
3.5k points
7 votes

Answer:

13

Step-by-step explanation:

User Samara
by
3.5k points