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Author Question: In a 0.1 molar solution of NaCl in water, which one of the following will be closest to 0.1? (Read 65 times)

nramada

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on: Mar 21, 2021

Question 1

If 2.00 g of helium gas and 4.72 g of oxygen gas are mixed together, what is the mole fraction of helium in the solution?

◦ 0.298
◦ 0.228
◦ 0.772
◦ 0.148
◦ 1.30

Question 2

In a 0.1 molar solution of NaCl in water, which one of the following will be closest to 0.1?

◦ The mole fraction of NaCl.
◦ The mass fraction of NaCl.
◦ The mass percent of NaCl.
◦ The molality of NaCl.
◦ All of these are about 0.1.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by nramada on Mar 21, 2021

GCabra

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Reply #1 on: Mar 21, 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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nramada

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Reply 2 on: Mar 21, 2021
Wow, this really help

abro1885

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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