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Author Question: Phosphoric acid can be prepared by reaction of sulfuric acid with phosphate rock according to the ... (Read 245 times)

bobbysung

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on: Mar 21, 2021

Question 1

One molecule of a compound weighs 3.13 × 10–22g. The molar mass of this compound is

◦ 1.92 g/mol.
◦ 531 g/mol.
◦ 531 g/mol.
◦ 188 g/mol.
◦ None of these are correct.

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

Suppose the reaction is carried out starting with 113 g of Ca3(PO4)2 and 91.7 g of H2SO4. Which substance is the limiting reactant?


◦ Ca3(PO4)2

​


◦ H2SO4

​


◦ CaSO4

​


◦ H3PO4

​


◦ none of these are correct
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by bobbysung on Mar 21, 2021

Hdosisshsbshs

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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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bobbysung

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Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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