What is the molarity of a solution prepared by dissolving 15.07 g of HCl in enough water to make 920.72 mL of solution? How many milliliters of a 1.30 M KOH solution would be needed to provide 6.06 g of KOH to a chemical reaction? What is the osmolarity of a solution containing 0.3 M Ca(NO3)2 and 0.1 M Sucrose?