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Author Question: Which statement about elemental analysis by combustion is not correct? (Read 41 times)

brutforce

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on: Feb 15, 2020

Question 1

A compound responsible for the odor of garlic has a molecular weight of 146 g/mol. A 0.650 g sample of the compound contains 0.321 g of carbon, 0.044 g of hydrogen, and 0.285 g of sulfur. What is the molecular formula of the compound?
◦ C3H15S3
◦ C6H10S2
◦ CH5S
◦ C3H5S

Question 2

Which statement about elemental analysis by combustion is not correct?
◦ Hydrogen is determined from the amount of H2O formed.
◦ Oxygen is determined from the amount of H2O formed.
◦ Carbon is determined from the amount of CO2 formed.
◦ Only carbon and hydrogen can be determined directly from CO2 and H2O.
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by brutforce on Feb 15, 2020

mcabuhat

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Reply #1 on: Feb 15, 2020
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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brutforce

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Reply 2 on: Feb 15, 2020
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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