How would you prepare 3 liters of a 1.5 M NaCl solution?

How would you prepare 3 liters of a 1.5 M NaCl solution?
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Answer :

1.5 M solution contains 1.5 moles in a litre. For sodium chloride this is (58.5 x 1.5) g = 87.75 grams. For 3 litres we will need 3 times as much, i.e. 263.25 g. To make the solution, dissolve this amount of salt in water, and make the solution up to exactly 3 litres.
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