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Author Question: An aqueous solution containing 12.0% MgCl2 by mass. What is the mol fraction of water in this solution? (Read 72 times)

MGLQZ

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Question 1

An aqueous solution containing 1.0 g ephedrine in 20.0 mL solution is said to be:
◦ 5.0% ephedrine (mass/vol)
◦ 1.0% ephedrine (mass/vol)
◦ 0.50% ephedrine (mass/vol)
◦ 0.050% ephedrine (mass/vol)
◦ 20.0% ephedrine (mass/vol)

Question 2

An aqueous solution containing 12.0% MgCl2 by mass. What is the mol fraction of water in this solution?
◦ 0.975
◦ 0.880
◦ 0.868
◦ 0.133
◦ 0.952


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Marked as best answer by MGLQZ on Jul 8, 2021

okolip

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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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MGLQZ

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Reply 2 on: Jul 8, 2021
Wow, this really help


bdobbins

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Reply 3 on: Yesterday
Gracias!

 

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