What is the percent by mass of NaHCO3 in a solution containing 60 g of NaHCO3 dissolved in 500 mL of H2O

Answer 1

(mass solute/mass soln)*100 = ??
[60/(60+500)]*100 =

Answer 2

(60/500)=0.2
0.2*100=20
20 is your answer