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 .
Calculate the molarity of a solution prepared by dissolving 12.5 g of Na2CrO4 in enough water...
1) (a) Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 on enough water to form exactly 550 ml of solution. (b) How many moles of KBr arepresent in 150 ml of a 0.275 M solution? (c) How many milliliters of 6.1 M HCI solution are needed to obtain 0.100 mol of HCI?2) (a) How many grams of solute are persent in 15.0 ml of 0.736 M K2Cr2O7 ? (b) if 14.00 g of (NH4)2SO4 is...
What is the molarity of solution prepared by dissolving 11.75 g of KNO3 in enough water to produce 2.00 L of 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 a solution prepared by dissolving 15.0 g NaCl in enough water to make 1.50 L of solution?
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...
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.
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 Ba2+ ions. c. Determine the molarity of Chions. 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 Ba2+ ions. f. Determine the new molarity of...
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.
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...
A solution of MgCl2 is prepared by dissolving 14.5 g of the solute in enough water to make 750.0 mL of solutions. What is the molarity of the Mecly solution AND what is the molarity of the anion in this solution? 0.203 M, 0.203 M 0.0444 M.0.0888M 2.03 M, 4.06 M 0.203 M, 0.406 M