Question

calculate the number of moles in 81g of aluminum (al) ​

Answer 1

Answer:

The number of moles of aluminium are 3 moles.

Explanation:

To calculate the number of moles, we use the equation:

We are given:

Given mass of aluminium = 81 g

Molar mass of aluminium = 26.98 g/mol

Putting values in above equation, we get:

Thus, the number of moles of aluminium are 3 moles.

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Answer 2

Answer: 

The number of moles of aluminium are 3 moles.

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