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Author Question: Hematite is the mineral form of iron(III) oxide. Calculate the number of iron ions in 20.0 kg of ... (Read 105 times)

mspears3

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on: Nov 18, 2019

Question 1

How many atoms of carbon are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99 g mol-1.
◦ 3.68 × 1023 C atoms
◦ 1.10 × 1024 C atoms
◦ 2.87 × 1025 C atoms
◦ 2.96 × 1024 C atoms
◦ 1.23 × 1023 C atoms

Question 2

Hematite is the mineral form of iron(III) oxide. Calculate the number of iron ions in 20.0 kg of pure hematite.
◦ 1.51 × 1026
◦ 7.54 × 1025
◦ 9.62 × 1021
◦ 6.63 × 10-27
◦ 3.77 × 1017
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by mspears3 on Nov 18, 2019

bbburns21

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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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mspears3

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Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review

dreamfighter72

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Reply 3 on: Yesterday
Excellent

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