A saturated solution of ammonium sulfate, (NH4)2SO4, in water at ...

[Evvie72]

Question 1

A saline solution begins to freeze at -1.13 °C. Express the concentration of NaCl in this solution in mass %. K_f for water is 1.86 °C m^-1.
◦ 3.48%
◦ 1.74%
◦ 0.870%
◦ 17.8%
◦ 8.90%

Question 2

A saturated solution of ammonium sulfate, (NH₄)₂SO₄, in water at 30 °C contains 78.0 g (NH₄)₂SO₄ per 100.0 g H₂O. What is the molality of this solution?
◦ 0.780 m
◦ 1.69 m
◦ 0.590 m
◦ 0.0590 m
◦ 5.90 m

[jamesnevil303]

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[Evvie72]

Thanks for the timely response, appreciate it

[jamesnevil303]

Great answer, keep it coming