1.0g of an alloy of aluminium and copper were reacted with excess hydrochloric acid. If 840 cm³ of hydrogen at s.t.p was produced, calculate the...

1.0g of an alloy of aluminium and copper were reacted with excess hydrochloric acid. If 840 cm³ of hydrogen at s.t.p was produced, calculate the % of copper in the alloy.(Al =27.0,one mole of a gas at s.t.p =22.4 dm³ )

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Wilfykil answered the question on February 15, 2019 at 11:59

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