A 52.0-g sample of BaCl2 is dissolved in water, and the solution is diluted to give a final volume of 2.25 L. The molarity of the final solution is a. 0.111 M. b. 0.250 M. c. 9.01 M. d. 0.0433 M. e. 2.79 M.

Q 7 please

Q 10 please

Q 5 please

26.     Calculate the ppm of Cl- in 0.00500 M CaCl2.  molar masses of Ca = 40.08 g/ mole and Cl = 35.45 g/ mole  Density of solution = 0.990 g/ mL. a. 12.0 ppm b. 358 ppm c. 110. ppm d. 3.87 ppm

Q 9 please

29. What is the molarity of CaBr2 in a solution that contains 1.0×10-³ moles of CaBr2 in 2.50 L of solution? a. 0.0283 M b. 0.0708 M с. 0.00040 M d. 0.0113 M

. What is the molarity concentration of CuCl2 in a solution prepared by dissolving 33.6g of CuCl2 in enough water to make 500. mL of solution? a. 5.00 x 10-4 M b. 0.678 M c. 0.250 M d. 0.466 M

Q 2 please

Show any formulas and set-ups used for calculations. Round answers to the correct number of significant digits and include correct units. 1.A glucose solution was made by dissolving 180.2 g of glucose in 35.86 kg of water. What is the mass percent of glucose in the solution? 2, a 325.2 g sample contains 42.3% NaCl. How many grams of NaCl are in the sample? 3. A 75.9 g mass of KOH was dissolved in enough water to make a total volume of 750.0 mL of solution. What is the molarity of this solution? 4. How many moles of NaHCO; should be dissolved in 300? mL of solution to make a 0.500 M solution?