calculate the amant of water in mL that is needed to make 175m kcl of a...
35) Calculate the concentration of a KCl solution prepared by adding 200 mL of water to 100. mL of 12% KCl solution.
how many grams of KCl are needed to make 50.0 mL of 2.4 5M KCl?
1. A 19.6 gram sample of KCl is used to make a 275. mL KCl solution. What is the molarity of the KCl solution? 2. A chemist has a bottle containing 0.25 M CuCl2. How many milliliters of this solution should the chemist use to add 12.0 grams of CuCl2 to her reaction? 3. In a saturated solution of the ionic compound sodium sulfate, Na3PO4 all of the water molecules are involved in the hydration process. some solid Na3PO4 is...
A solution was prepared by dissolving 39.0g of KCl in 225 g of water. 1. Calculate the mass percent of KCl in the solution. 2. Calculate the mole fraction of KCl in the solution. 3. Calculate the molarity of KCl in the solution if the total volume of the solution is 239 mL. 4. Calculate the molality of KCl in the 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.
33) If 100. mL of water is added to 25 mL of 5.0 M NaCl solution, what is the final concentration? 34) Calculate the volume of 0.123 M AgNO3(aq) needed to form 0.657 g of Ag2SO4(s) according to the chemical equation: 2AgNO3(aq) + H2SO4(aq) -----> Ag2SO4(s) + 2H20(1). 35) Calculate the concentration of a KCl solution prepared by adding 200. mL of water to 100 mL of 12% KCl solution.
5. The solubility of KCl (in grams KCl/100 g of water) is 31.0 g at 10.0 °C, 34.0 g at 20.0 °C, 42.6 g at 50.0 °C, and 56.7 at 100 °C. a) You want to make a saturated solution of KCl at 50.0 °C using 2.00 L of water. How many grams of KCl are necessary to make this solution? You may assume that the density of water is 1.00 g/mL. b) You then take your saturated solution of...
How many grams of KCl are needed to prepare 368 ml of a 2.00 M KCl solution?
1. how many grams og kcl do you need to make 50.0 ml and 2.45?
What mass of KCl (MW 74.5513) in grams is needed to prepare 100 mL of a 1.3 M solution of KCl?