Use the definition of molarity to calculate the concentration of 12.34 g of CaSO4 completely dissolved in water, with a solution volume of 250.0 mL as measured using a volumetric flask. The molar mass of CaSO4 is 136.13 g/mol. Answer with 4 significant digits and include an appropriate unit.

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !