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PLEASE HELP WILL GIVE 20PTS AND WILL MARK BRAINLIEST FOR RIGHT ANSWER!!!
Water can be formed from the synthesis reaction of hydrogen with oxygen:

2 H2 (g) + O2 (g) → 2 H2O (g)

The complete reaction of 5.12 Liters of O2 with excess hydrogen produces how many moles of H2O?

A) 10.24 moles H2O
B) 114.7 moles H2O
C) 0.457 moles H2O
D) 5.12 moles H2O

Respuesta :

Answer:

C) 0.457

Explanation:

The ratio between O2 and H2O is 1:2 according to the balanced equation. You can find how many moles is O2 by : 5.12/22.4 = 0.22857 ( 1 mole = 22.4 litters)

Moles of H2O will be 0.22857 * 2 = 0.457142.

Therefore answer C)

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