V. Calculate the mass, in grams, of K2SO4 needed to prepare 32.00 g of 2.000%(m/m) K2SO4 solution.

VI. How many grams of Na2CO3 are needed to prepare 25.0 mL of a 2.00%(m/v) Na2CO3 solution?

VII. What volume of water, in quarts, is contained in 3.50 qt of a 2.00%(v/v) solution of water in 
acetone?

VIII. Calculate the molarity of the following solutions.

a. 3.0 moles of potassium nitrate (KNO3) in 0.50 L of solution

b. 12.5 g of sucrose (C12H22O11) in 80.0 mL of solution

IX. Calculate the number of grams of solute in each of the following solutions.

a. 2.50 L of a 3.00 M HCl solution

b. 10.0 mL of a 0.500 M KCl solution

X. What is the molarity of the solution prepared by diluting 25.0 mL of 0.220 M NaCl to each of the following final volumes?

1. 
   a. 30.0 mL             b. 75.0 mL

whether the following solutions are saturated or unsaturated [show workingl 40.35 g isolved in 25.0 g h.o (Solubility of Caci-161.4 g100 g H,O) b 59 g NaCI dissolved in 25,0 g HO (Solubility of Nac-35.7 g/100gHo) many grams of NaOH (solute) must be added to 120 g of H2O to prepare a 20 % (n n) NaOH solution? Ho How many mL ofwater (solvent) is should be combined with 15.0gNaci to prepare a 10%(whv) NaCl solution 3. 4. How many grams of Na CO, are required to prepare 500 mL of a 1.25 M NaCO, solution? 5. Calculate the osmolarity of the following solutions: a. 0.1M KNO b. 0.35 M NaPO What volume of 5M NaOH solution is required to prepare 150 mL of 0.5M NaOH solution? What volume o water must be used to make up the solution? (2pts) 6. volume of sokute 100 "of sumo Volume Solution (m.L.) % (v/v) . mass souude +mass solventI velme solute + volume solvent _ %(m/v)= w (M)moles of solute Molarity (M-Liners of Solution