Find the number of moles in 2.00 grams of Na.

Divide all the coefficients in the equation by 2 so that the equation reflects
the number of moles of sodium chloride formed from 1 mole of Na.
This is the normalized equation.

Use the number of moles of Na to calculate the moles of NaCl formed using the normalised equation.
Convert the number of moles of NaCl to grams.