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Author Question: The solubilities of ammonium bromide, NH4Br, in water at 0 C, 20 C, and 80 C are as follows: T (C) ... (Read 81 times)

Jipu 123

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on: Jul 8, 2021
The solubilities of ammonium bromide, NH4Br, in water at 0 °C, 20 °C, and 80 °C are as follows:

T (°C)  Sol. g NH4Br/100 g H2O
0  60.5
20  76.4
80  125

Which of the following fractional crystallization schemes would produce the highest percent yield for the recrystallization of ammonium bromide?
◦ A solution containing 50.5 g NH4Br in 100.0 g H2O at 20 °C is cooled to 0 °C.
◦ A solution containing 115 g NH4Br in 200 g H2O at 80 °C is cooled to 0 °C.
◦ A solution containing 120 g NH4Br in 100 g H2O at 80 °C is cooled to 20 °C.
◦ A solution containing 100 g NH4Br in 100.0 g H2O at 80 °C is cooled to 20 °C.
◦ A solution containing 95 g NH4Br in 175 g H2O at 80 °C is cooled to 0 °C.
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by Jipu 123 on Jul 8, 2021

harveenkau8139

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Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Jipu 123

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Reply 2 on: Jul 8, 2021
:D TYSM

frankwu0507

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Reply 3 on: Yesterday
Excellent

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