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Author Question: A nonelectrolyte compound with a molar mass of 862 g mol-1 was dissolved in enough water to make 100 ... (Read 61 times)

sam.t96

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on: Nov 18, 2019

Question 1

A nonelectrolyte compound with a molar mass of 648 g mol-1 was dissolved in enough water to make 250 mL of solution at 25 °C and produced an osmotic pressure of 27.4 mbar. Calculate the mass of the compound, in g, used to make this solution.
◦ 0.179 g
◦ 0.267 g
◦ 0.0873 g
◦ 0.236 g
◦ 0.106 g

Question 2

A nonelectrolyte compound with a molar mass of 862 g mol-1 was dissolved in enough water to make 100 mL of solution at 25 °C and produced an osmotic pressure of 38.4 mbar. Calculate the mass of the compound, in mg, used to make this solution.
◦ 134 mg
◦ 116 mg
◦ 84.3 mg
◦ 75.3 mg
◦ 185 mg
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Marked as best answer by sam.t96 on Nov 18, 2019

nathang24

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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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sam.t96

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

daiying98

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Reply 3 on: Yesterday
Wow, this really help

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