sirajameer24 sirajameer24

18-06-2022
Chemistry

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what is the number of moles formed when 20.50g of Copper 2 oxide completely react with hydrogen gas.

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viswarojha viswarojha

18-06-2022

CuO(aq) + H2(g) → H2O(l) + Cu(s)

CuO= 64 + 16= 80g

1 mole of CuO → 1 mole of Cu

80g of CuO → 1 mole of Cu

20.50g of CuO → y

y= 20.50/80= 0.26mole.

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