1.)Calculate the mass of solute required to make a sodium chloride solution containing 169 g of water that has a melting point of -1.6 C.
2.)Calculate the mass of solute required to make 256 mL of a magnesium sulfate solution that has an osmotic pressure of 3.82 atm at 302 K
3.)Calculate the mass of solute required to make an iron (III) chloride solution containing 250 g of water that has a boiling point of 104 C
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