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1gram of coprous and oxides was reduced to 0.839g metallic copper. What is the weight of cuprous oxide in sample

1gram of coprous and oxides was reduced to 0.839g metallic copper. What is the weight of cuprous oxide in sample

Grade:11

1 Answers

Vikas TU
14149 Points
6 years ago
CuO Mass in a given specimen = 40+16 = 56 gm 
Add up to mass of copper in cuprous oxide = 0.839 gm 
Weight of CuO = 0.839/56 = 0.014 gm 
May there be x moles of cu0 and y moles of Cu20 
X * 143 + y * 79.5 = 1 
Weight of CuO = 0.006 * 79.5 = 0.55 gm 
Weight of Cu20 = .45 gm 

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