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Author Question: How many oxygen atoms are there in 7.00 g of sodium dichromate, Na2Cr2O7? (Read 80 times)

luvbio

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on: Jul 8, 2021

Question 1

How many moles are there in 3.00 g of ethanol, CH3CH2OH?
◦ 0.00725 mol
◦ 0.0652 mol
◦ 15.3 mol
◦ 138 mol

Question 2

How many oxygen atoms are there in 7.00 g of sodium dichromate, Na2Cr2O7?
◦ 0.187 oxygen atoms
◦ 2.30 × 1021 oxygen atoms
◦ 1.60 × 1022 oxygen atoms
◦ 1.13 × 1023 oxygen atoms
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by luvbio on Jul 8, 2021

ririgirl15

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Reply #1 on: Jul 8, 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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luvbio

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Reply 2 on: Jul 8, 2021
Thanks for the timely response, appreciate it

JCABRERA33

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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