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  3. ca + 2 h2o ------> ca(oh)2 + h2 if we have 4 mo

Ca + 2 H2O ------> Ca(OH)2 + H2 If we have 4 moles of Ca and 4...

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Chemistry

Ca + 2 H2O ------> Ca(OH)2 +H2

If we have 4 moles of Ca and 4 moles of water – how muchCalcium Hydroxide can we make? What would be the limiting reagentand what would be the one in excess?

Answer & Explanation Solved by verified expert
3.9 Ratings (690 Votes)
First figure out which the limiting reagent is You do this by finding out how many moles of water are in its 777grams and how many moles of CaO there are in its 444grams Water is 18gramsmol One mole of hydrogen is 1gram and one mole of oxygen is 16 grams Thus two moles of H and one mole of O give 18grams So 777grams 18 gramsmol 043 moles of water Next do the same for calcium oxide This    See Answer
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