Question

determine the mass of 2 moles of Na

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Answer 1

2 moles (n) has been given to you. The next step is to find the molar mass (M) of Na. If you refer to your periodic table, the molar mass of Na (sodium) is 23.0 g/mol.

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Answer 2

Mass of 2 moles of Na :

Formula : M×MM ( Moles ×Molar mass )

Moles= 2

Molar mass of Na = 23

Mass = 2×23

= 46 g