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Author Question: A saturated solution of ammonium sulfate, (NH4)2SO4, in water at 30 C contains 78.0 g (NH4)2SO4 per ... (Read 86 times)

Evvie72

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Question 1

A saline solution begins to freeze at -1.13 °C. Express the concentration of NaCl in this solution in mass %. Kf 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


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Marked as best answer by Evvie72 on Jul 8, 2021

jamesnevil303

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Evvie72

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)


jomama

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Reply 3 on: Yesterday
:D TYSM

 

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