# a) What mass of strontium nitrate (Sr(NO3)2) would be required to prepare 2.000 L of a 0.0180 M aqueous solution of this salt? (b) Calculate the mass percent of Sr(NO3)2 in this solution, assuming the density of the solution is 1.000 kg/L.c.)  A 15.0 g sample of anhydrous sodium sulfate, Na2SO4, is dissolved in 4.83 L of water. The molar mass of sodium sulfate is 142.1 g/mol. Use the equation given to calculate the molality (m) of the solution, in mol/kg.For this situation, assume the density of water is 1.00 g/mL.

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a) What mass of strontium nitrate (Sr(NO3)2) would be required to prepare 2.000 L of a 0.0180 M aqueous solution of this salt?

(b) Calculate the mass percent of Sr(NO3)2 in this solution, assuming the density of the solution is 1.000 kg/L.

c.)  A 15.0 g sample of anhydrous sodium sulfate, Na2SO4, is dissolved in 4.83 L of water. The molar mass of sodium sulfate is 142.1 g/mol. Use the equation given to calculate the molality (m) of the solution, in mol/kg.

For this situation, assume the density of water is 1.00 g/mL.

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