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Author Question: A compound was discovered whose composition by mass is 85.6% C and 14.4% H. Which of the following ... (Read 50 times)

knemetz3

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on: Nov 5, 2023

Question 1

A 1.375 g sample of mannitol, a sugar found in seaweed, is burned completely in oxygen to give 1.993 g of carbon dioxide and 0.9519 g of water.  The empirical formula of mannitol is
◦ CHO
◦ CH7O3

◦ C3H2O
◦ C3H7O3

◦ CH2O

Question 2

A compound was discovered whose composition by mass is 85.6% C and 14.4% H. Which of the following could be the molecular formula of this compound?
◦ CH4

◦ C2H4

◦ C3H4

◦ C2H6

◦ C3H8
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by knemetz3 on Nov 5, 2023

knguyen

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Reply #1 on: Nov 5, 2023
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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knemetz3

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Reply 2 on: Nov 5, 2023
Thanks for the timely response, appreciate it

Missbam101

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Reply 3 on: Yesterday
Wow, this really help

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