Question

5.85 g of sodium chloride(NaCl) is dissolved in 250 mL OF solution. Calculate mass percentage of the solute.

Answer 1

We need the density of the solution. Without it we can assume it is 250 g H2O + 5.85g NaCl.
Then %NaCl = [(mass NaCl)/mass soln]*100 = ?

Answer 2

2.28

Answer 3

2.2865