The mass of sodium fluoride was found to be 2.594 g
Formula units: n = N/Na, n = 3.72* 1022 Moles.
Na is the Avogadro number, where n is equal to 3.72*1022/6.022*1023 mol-1, or 0.0618 mol.
Molar mass, MW = 42 g/mol, is equal to n*MW = 0.0618 mol * 42 g/mol, or 2.594 g.
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