Question

How many moles of zinc, Zn, are in 0.535g of zinc?

Answer 1

0.00818 mole of zinc.                                                                        .............................................................................

Answer 2

Answer: The amount of zinc for a given amount are 0.0082 moles.

Explanation:

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

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

We are given:

Given mass of zinc = 0.535 g

Molar mass of zinc = 65.4 g/mol

Putting values in above equation, we get:

$\text{Moles of zinc}=\frac{0.535g}{65.4g/mol}=0.0082mol$

Hence, the amount of zinc for a given amount are 0.0082 moles