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Author Question: How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g mol-1. (Read 89 times)

lak

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on: Nov 18, 2019

Question 1

How many moles of C3H8 contain 4.95 × 1024 hydrogen atoms?
◦ 6.58 moles C3H8
◦ 1.03 moles C3H8
◦ 3.09 moles C3H8
◦ 9.73 moles C3H8
◦ 8.22 moles C3H8

Question 2

How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g mol-1.
◦ 1.23 × 1023 O atoms
◦ 3.68 × 1023 O atoms
◦ 2.87 × 1025 O atoms
◦ 2.96 × 1024 O atoms
◦ 1.10 × 1024 O atoms
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by lak on Nov 18, 2019

Pariscourtney

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Reply #1 on: Nov 18, 2019
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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lak

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Reply 2 on: Nov 18, 2019
Gracias!

nguyenhoanhat

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

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