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Author Question: A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride:2Li + F2 2LiF. ... (Read 37 times)

Themember4

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on: Mar 21, 2021

Question 1

A 1.60-g sample of an oxide of bromine is converted to 2.685 g of AgBr. Calculate the empirical formula of the oxide. (molar mass for AgBr = 187.78 g/mol)

◦ BrO3

​


◦ BrO2

​


◦ BrO
◦ Br2O
◦ None of these are correct.

Question 2

A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride:

2Li + F2→ 2LiF. After the reaction is complete, what will be present?


◦ 2.16 moles lithium fluoride only
◦ 0.789 moles lithium fluoride only
◦ 2.16 moles lithium fluoride and 0.395 moles fluorine
◦ 0.789 moles lithium fluoride and 1.37 moles lithium
◦ none of these are correct
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by Themember4 on Mar 21, 2021

Sweetkitty24130

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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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Themember4

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Reply 2 on: Mar 21, 2021
:D TYSM

ricroger

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Reply 3 on: Yesterday
Gracias!

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