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solong [7]
3 years ago
7

How many moles is 125 g CuO2?

Chemistry
1 answer:
Stolb23 [73]3 years ago
3 0

Answer:

1.31moles

Explanation:

Given parameters:

Mass of CuO₂  = 125g

Unknown:

Number of moles  = ?

Solution:

To solve this problem, we use the expression below:

   Number of moles  = \frac{mass}{molar mass}  

Molar mass of CuO₂  = 63.6 + 2(16) = 95.6g/mol

So;

 Number of moles  = \frac{125}{95.6}   = 1.31moles

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