2. Calculate the molarity of a solution prepared by dissolving 2.500 g of Na2CO3 in water to make 500 mL of solutio...
Question 17 A solution is prepared by dissolving 45 g sodium carbonate, Na2CO3, in enough water to make 200 mL of solution. If the density of the solution is 1.1094 g/mL, what is the % mass of the solution? Question 18 Calculate the molarity of a 4.628 m solution of Sr(NO3)2 in H2O. The density of this solution is 1 g/mL Include units. Question 19 What is the molarity of a sodium chloride solution prepared by diluting 2.1 mL of...
Calculate 1. the molarity of solution prepared by dissolving 14.7 g of Ca(NO)2 in enough a water to make 750. mL of solution. (5 pts) 2. A cup of coffee may contain as much as 300. mg of caffeine, CHo02. Calculate the molarity of caffeine in one cup of coffee. (4 cups 1L) (5 pts) 3, How much of a 2.75 M solution of AgNO3 (in mL) is needed to make 1.25 L ofa 0.150 M solution of this same...
Calculate the molarity of a solution prepared by dissolving 12.5 g of Na2CrO4 in enough water to produce a solution with a volume of 630. mL .
6. A solution is prepared by dissolving 571.6 g of H2SO4 in enough water to make 1000.0 mL of solution. The solution has a density of 1.3294 g/mL. Determine the molarity and molality of the solution.
A solution is prepared by dissolving 47.8 grams of glucose (180.16 g/mol) in 0.159 kilograms of water. The final volume of the solution is 441 mL . Calculate the molarity of the solution.
Calculate the molarity (M) of a solution prepared by dissolving 15.1 g of HBr in enough water to make 2.75 L of solution.
What is the molarity of FeCl3 in a solution prepared by dissolving 10.0 g of FeCl3 in enough water to make 275 mL of solution?
A solution was prepared by dissolving 37.0 g of KCl in 225 g of water. Calculate the mole fraction of the ionic species KCl in the solution. Calculate the molarity of KCl in the solution if the total volume of the solution is 239 mL. Calculate the molality of KCl in the solution.
A barium hydroxide solution is prepared by dissolving 3.15 g of Ba(OH)2 in water to make 27.4 mL of solution. What is the concentration of the solution in units of molarity? concentration: M? If 30.0 mL of the barium hydroxide solution was needed to neutralize a 4.21 mL aliquot of the perchloric acid solution, what is the concentration of the acid? concentration:
3. Consider a solution prepared by dissolving 30.000 g of BaCl, in enough water to make a 200 ml solution. a. Determine the molarity of the BaCl, solution. b. Determine the molarity of Ba? ions. c. Determine the molarity of Clions. A chemist adds 800 mL of a 0.140 M NaCl solution to the existing 200 ml solution. d. Determine the new total volume of solution. e. Determine the new molarity of Baltions. f. Determine the new molarity of Ci...