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Author Question: Hydrocortisone valerate is an ingredient in hydrocortisone cream, prescribed for skin problems. Its ... (Read 135 times)

nevelica

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  • Posts: 563
on: Mar 21, 2021

Question 1

How many oxygen atoms are there in one formula unit of Ca3(PO4)2?

◦ 2
◦ 4
◦ 6
◦ 8
◦ None of these are correct.

Question 2

Hydrocortisone valerate is an ingredient in hydrocortisone cream, prescribed for skin problems. Its molecular formula is C26H38O6. What is the percent by mass of carbon in hydrocortisone valerate?

◦ 69.9%
◦ 43.6%
◦ 54.2%
◦ 76.9%
◦ 60.1%
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by nevelica on Mar 21, 2021

yasmina

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Reply #1 on: Mar 21, 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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nevelica

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Reply 2 on: Mar 21, 2021
Wow, this really help

frankwu0507

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Reply 3 on: Yesterday
Excellent

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