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Author Question: How many millimoles of Ca(NO3)2 contain 4.78 1022 formula units of Ca(NO3)2? The molar mass of ... (Read 36 times)

shenderson6

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on: Nov 18, 2019

Question 1

Calculate the molar mass of H2CO3.
◦ 61.02 g mol-1
◦ 74.04 g mol-1
◦ 29.02 g mol-1
◦ 60.01 g mol-1
◦ 62.03 g mol-1

Question 2

How many millimoles of Ca(NO3)2 contain 4.78 × 1022 formula units of Ca(NO3)2? The molar mass of Ca(NO3)2 is 164.10 g mol-1.
◦ 79.4 mmol Ca(NO3)2
◦ 12.6 mmol Ca(NO3)2
◦ 20.7 mmol Ca(NO3)2
◦ 13.0 mmol Ca(NO3)2
◦ 57.0 mmol Ca(NO3)2
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by shenderson6 on Nov 18, 2019

kingdude89

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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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shenderson6

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Reply 2 on: Nov 18, 2019
Great answer, keep it coming :)

rachel

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

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