Chemistry, asked by malo5912, 9 months ago

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Answered by gokulmohanakrishnan

1

Answer:case1 :

mass of copper oxide=2.75g

mass of copper=2.196g

% of copper = 2.196*100/2.75=79.85%

CuO=100-79.85=20.15%

case2:

mass of copper oxide =2.952g

mass of copper= 2.358g

%of copper=2.358*100/2.952=79.87%

CuO=100-79.87=20.13%.

Explanation: pls mark as brainliest

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