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Author Question: A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 150.0 g of solution? (Read 194 times)

jhjkgdfhk

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on: Nov 18, 2019

Question 1

What is the mole fraction of oxygen in a gas mixture that is 37% oxygen and 63% nitrogen by volume?
◦ 0.37
◦ 0.52
◦ 0.34
◦ 0.25

Question 2

A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 150.0 g of solution?
◦ 66.7 g
◦ 1.50 g
◦ 3.38 g
◦ 225 g
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Marked as best answer by jhjkgdfhk on Nov 18, 2019

jlaineee

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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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jhjkgdfhk

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Reply 2 on: Nov 18, 2019
Wow, this really help

shewald78

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Reply 3 on: Yesterday
Gracias!

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