shafferemma18 shafferemma18
  • 16-03-2020
  • Chemistry
contestada

2 H2 (g) —> 2 H2O (g)

Calculate the mass of oxygen gas, O2, required to produce 12.90 moles of water, H20

Molar mass H2= 2.016 g/mol
Molar mass O2= 32.00 g/mol
Molar mass = 18.02 g/mol

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shofasfaith
shofasfaith shofasfaith
  • 16-03-2020

Answer:

mole=mass/molar mass

mass=mole×molar mass

mass=12.90mole×18g/mole

mass=232.2g

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