When 0.2mol of calcium reacts with 880g of water 2.24L of hydrogen gas form at STP How would the amount of hydrogen produced change if the volume of water was decreased to 440mL 400g?

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23-05-2014
Chemistry

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When 0.2mol of calcium reacts with 880g of water 2.24L of hydrogen gas form at STP How would the amount of hydrogen produced change if the volume of water was decreased to 440mL 400g?

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