Use the equation 2cu+o2=2cuo to find how many miles of copper react to form 3.64 mil cuo

Complete question:

Use the equation 2Cu+O2 →2CuO, to find how many grams of copper react to produce 3.64 mol CuO.

grams of Cu = 231.14  grams

If it is the number of moles

since both Cu and CuO exist in the reaction as 2 mole each ,That means 3.64 moles of CuO will need 3.64 moles of Cu to react.  

Explanation:

Write and balance the equation of the reactions

2Cu+O2 →2CuO

The equation is balanced

Atomic mass of cu = 63.5 g/mol

mass of 2Cu in the reaction = 127  grams

Molar mass of Cuo = 63.5 + 16 = 79.5

The mass of 2Cuo in the reaction = 2 × 79.5  = 159   grams

number of moles = mass/molar mass

we need to convert 3.64 moles to mass(grams)

3.64 = mass/79.5

mass = 3.64 × 79.5

mass of copper oxide = 289.38

grams

Since 127 grams of copper give 159 grams of Cuo

      ? grams of copper will give 289.38  grams of Cuo

cross multiply

grams of Cu = 289.38  × 127/159

grams of Cu = 36751.26

/159

grams of Cu = 231.14  grams

If it is the number of moles

since both Cu and CuO exist in the reaction as 2 mole each ,That means 3.64 moles of CuO will need 3.64 moles of Cu to react.  

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