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Author Question: There are two stable isotopes of chlorine: chlorine-35, with a mass of 34.968853 amu; and ... (Read 52 times)

nods

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on: Nov 5, 2023

Question 1

The reaction of 60.0 g of aluminum oxide with 30.0 g of carbon produced 22.5 g of aluminum. What is the percent yield for this reaction?
         Al2O3 + 3C → 2Al + 3CO
◦ 25.0 %
◦ 31.8 %
◦ 44.9 %
◦ 50.1 %
◦ 70.9 %

Question 2

There are two stable isotopes of chlorine: chlorine-35, with a mass of 34.968853 amu; and chlorine-37, with a mass of 36.965903. Given that the average atomic mass of a chlorine atom is 35.45 amu, which of the following statements is true?
◦ Chlorine contains almost exclusively with very littleCl.
◦ Chlorine contains more Cl than Cl.
◦ Chlorine contains roughly equal amounts of Cl and Cl.
◦ Chlorine contains more Cl thanCl.
◦ Chlorine contains almost exclusively of Cl, with very littleCl.
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by nods on Nov 5, 2023

romyclv

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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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nods

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Reply 2 on: Nov 5, 2023
Excellent

alexanderhamilton

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Reply 3 on: Yesterday
Wow, this really help

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