Question

how many grams of nacl ( 58.44 g/mol) are needed to make 250.0 ml of a 1.50 m solution of nacl?

Answer 1

Answer:

21.92 gm

Explanation:

A 1.5 M  solution would have 1.5 * 58.44 = 87.66 gm per liter

   you only need 1/4 of this (250 ml)    =  21.92 gm