Question

calculate the number of atoms in 5 gram of calcium​

Answer 1

Answer:

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