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Author Question: Phosphoric acid can be prepared by reaction of sulfuric acid with phosphate rock according to the ... (Read 401 times)

jenna1

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on: Mar 21, 2021

Question 1

Phosphoric acid can be prepared by reaction of sulfuric acid with “phosphate rock” according to the equation:

Ca3(PO4)2 + 3H2SO4→ 3CaSO4 + 2H3PO4

How many oxygen atoms are there in 7.00 ng of Ca3(PO4)2?


◦ 1.36 × 1013
◦ 5.44 × 1013
◦ 3.37 × 1016
◦ 1.09 × 1023
◦ 1.09 × 1014

Question 2

Phosphoric acid can be prepared by reaction of sulfuric acid with “phosphate rock” according to the equation:

Ca3(PO4)2 + 3H2SO4→ 3CaSO4 + 2H3PO4

What is the molar mass of Ca3(PO4)2?


◦ 310.18 g/mol
◦ 87.05 g/mol
◦ 278.18 g/mol
◦ 215.21 g/mol
◦ 166.02 g/mol
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by jenna1 on Mar 21, 2021

joshraies

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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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jenna1

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Reply 2 on: Mar 21, 2021
Excellent

Sarahjh

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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