Question

calculate the number of moles present in 60g of calcium

Answer 1

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Answer 2

Answer: 1.5 moles

Explanation: To calculate the moles, we use the formula:

$Moles=\frac{\text{Given mass}}{\text{Molar mass}}$

Given mass= 60g

Molar mass= 40g/mol

${\text {Moles of calcium}=\frac{60g}{40g/mol}=1.5moles$

The moles present in 60 g of calcium are 1.5 moles.