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Author Question: A solution is prepared by dissolving 40.0 g of sucrose, C12H22O11, in 250. g of water at 25 C. What ... (Read 169 times)

V@ndy87

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  • Posts: 571
on: Nov 18, 2019

Question 1

At 20 °C, a 0.389 mol L-1 aqueous solution of ammonium chloride has a density of 1.0064 What is the mass % of ammonium chloride in the solution? The formula weight of NH4Cl is
◦ 0.387%
◦ 2.07%
◦ 2.59%
◦ 0.395%
◦ 0.732%

Question 2

A solution is prepared by dissolving 40.0 g of sucrose, C12H22O11, in 250. g of water at 25 °C. What is the vapour pressure of the solution if the vapour pressure of water at 25 °C is 23.76 mmHg?
◦ 20.5 mmHg
◦ 23.6 mmHg
◦ 24.0 mmHg
◦ 0.198 mmHg
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Marked as best answer by V@ndy87 on Nov 18, 2019

cassie_ragen

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Reply #1 on: Nov 18, 2019
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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V@ndy87

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Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review

hollysheppard095

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Reply 3 on: Yesterday
:D TYSM

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