35) Calculate the concentration of a KCl solution prepared by adding 200 mL of water to...
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.
Calculate the concentration of a solution prepared by adding 15.00 mL of 1.98 × 10 − 3 M K M n O 4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 1.98 x 10-3M KMnO, from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation...
1.What is the final concentration of a solution of KCl that is prepared by adding 46mL of a 2.98M KCl solution to a flask for a final volume of 245 mL? 2.What volume( in mL) of a 1.89M solution of NaF is needed to prepare 406mL of a 0.35M solution of NaF? 3.Calculate the mass of Al metal needed to react with 87 mL of a 3.18M solution of HNO3. Al(s) + HNO3(aq) --> Al(NO3)3 + H2(g) ( unbalanced) 4.Calculate...
Calculate the molar concentration of an ethanol solution that was prepared by adding 10mL of 100% ethanol to a 100 mL volumetric flask. The density of ethanol is 0.789
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 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 is prepared by adding 0.5630 g of powdered milk into a 2.5E+02 mL volumetric flask and adding 30 mL of 1.0 M KCL and diluting to volume with DI water. The concentration of a milk sample is determined to be 6.420×10-4 M Ca2+ based on linear regression analysis of calcium standard solutions. What is the concentration of Ca2+ in the milk sample (wt/wt %)? [MW Ca = 40.078 g/mole]
please show work 17) When 200, mL of water are added to 100. mL of 12 % KCl solution the final concentration of KCI is (Assume the volumes add.) A) 12% B) 4.0% C) 36%. D) 6.0% E) 8.0% 18) What is the molarity of a solution containing 5.0 moles of KCI in 2.0 L of solution? A) 2.5 M B) 1.0 M C) 5.0 M C) 10. M E) 2.0 M 19) What is the molarity of a solution...
Calculate the concentration of an aqueous KCl solution if 246 mL of the solution gives 28.5 g of AgCl when treated with excess AgNO3. The equation for the reaction is KCl(aq) + AgNO3(aq) ----> AgCl(s) + KNO3(aq)
Find the molarity of a solution prepared by adding 525 mL of water to 450 mL of 1.2M copper (II) nitrate?