Question

How many moles of `NaCl` are present in 20.0 g of `NaCl`?

Answer 1

`"0.342 mol"`

Explanation:

Molar mass of `"NaCl = 58.4 g/mol"`

Number of moles in `"20.0 g NaCl"` is

`(20.0 cancel"g")/(58.4 cancel"g""/mol") = "0.342 mol"`