7. How would you prepare 2,000 ml of 0.50 M solution of benzoic acid (C7H6O2) in chloroform (CHCl3)
8. Which of the following solutions is more concentrated?
8.1) 1.50%(w/v) MgCl2 or 0.20 M MgCl2
8.2) 3,000 ppb KI or 500 ppm KI
8.3) 100 ppm KCl or 0.52 M KCl