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Answer:

  • 3.8 moles of O2 will be produced by the decomposition of 7.6 moles of water.

Explanation:

                       Balanced equation:  2 H2O → 2 H2 + O2

Here we see "2" molar ratio before water, so water will have half of the moles, as it has "1" molar ratio.

Moles of O2 →  7.6/2 → 3.8 moles.

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