Question

I keep getting 0.018 but it says that's not right.

Ch. 13 End-of-Chapter Problems Number 12 An aqueous solution contains 5.7 % NaCl by mass. You may want to reference (Pages 586-592) Section 13.5 while completing this problem Part Calculate the mole fraction of the solution Express the mole fraction to two significant figures. % APO ? x = 0.02 You have already submitted this answer Enter a now answer No credit lost Try again Submit Previous Answers Request Answer Provide Feedback • Previous

Answer 1

Answer 0.018 is right but you have to write 2 significant figures. So your answer will be 1.8 × 10^-2. The 0s 0.02 in your answer are non significant