8.How many grams of NaOH are required to prepare 2.5 L of a 4M solution?
9.How many grams of HCL are needed to make 1L of a 2N solution?
10. Calculate the concentration in mEq/L of a NaCl solution that contains 7.80 g of NaCl in 500 mL of solution.
11. Determine the weight of NaCl necessary to prepare 250 ml of a solution with a concentration of 4.0%w/v.12. How many grams of sulfuric acid, H2SO4(mw = 98 g), are required to prepare1 L of a 3%w/vsolution? 13. How many ml of 50%v/vacetic acid are needed to make 1 L of 5%v/vacetic acid?14. To prepare 2 L of a 5M solution of HCL, how many L of a stock 10M solution will you need?