Question

A solution has an unknown concentration of sodium chloride: 13.85 mL of the solution has a mass of 11.95 g. Once the water is evaporated, the mass of sodium chloride left is 3.56 g. Determine the following values for the solution. 1. 4.40 2. 14.8 13. 25.7 6 mass-mass percent of sodium chloride 4. 29.8 8 molarity of sodium chloride 5 58.4 6 mass-volume percent of sodium chloride 6.86.3 7. 89.3 8. the correct answer is not given

I'm struggling with working the formula I have. I think I'm missing converting something in this.

Answer 1

)May oo otNal May ot Nal x tool May of Aolution 3.56X t00l 29. 11.9 Plolasty Mal males of Nac Voluume of 4eluctior Nal Mellut May 0.0609 mal No of Nall No of tales of NalE Mas 3-569 0-0609 mal -4.40 M 12.2.5 xd03 (As mal63) O0 May May-yolume fo NaCl (a) Value af Saldtion (mL) 3-56 &x t001 13.85mL = 250