Medium
Calculate the number of moles present in 58.5 g of sodium chloride (NaCl). (Molar mass = 58.5 g/mol)
Explanation
Explanation
Number of moles = given mass / molar mass = 58.5 g / 58.5 g/mol = 1.0 mol.
PRO TIP
Re-check your working by substituting the answer back into the original question.