Answer :

Answer:

28,125 g

Explanation:

m(O₂) = 100 g

n(O₂) =M(O₂)/m(O₂)=32 gram per mole / 100 g = 0,32 mole

O₂ + 2H₂ ⇒ 2H₂O  ,  n(H₂O) = 2 × n(O₂)

m(H₂O) = M(H₂O)/2 × n(O₂) = 18 grams per mole / 2 × 0,32 mole = 28,125 g

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