- Exercise Problems For Concentrations Use Scientific 3 1 And Normal 3 2 3 7 Notation And Round Both To 3 Significant 1 (75.67 KiB) Viewed 33 times
Exercise problems for concentrations (Use scientific (3.1) and normal (3.2-3.7) notation and round both to 3 significant figures) Mr (NaCl) = 58.44 3.1. The concentration of different sodium chloride solutions are given in the left column below. Complete the rest of the table Mr (NaCl) = 58.44 1.00 % m/v = g in 500 mL 2.50 % m/v g in 100 mL g in 100 ml mg/mL g in 100 mL _mg in 0.500 L % m/v 5.00 mm 2.00 % m/v mm 3.2. How many grams of sodium chloride will you weigh out to prepare 100.0 mL of a 100.0 mM solution? 3.3. How many grams of sodium chloride will you weigh out to prepare 50 mL of a 1.00 % m/v solution? 3.4. How many grams of sodium chloride will you weigh out to prepare 100 mL of a 5.00 mg/mL solution? 3.5. Dilute solution in 3.2 10X, to give a final volume of 50 mL. 3.6. Dilute solution 3.3. to prepare 25 mL of a 1.00 mg/mL solution.