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Author Question: A sample contains 43.7% phosphorus and 56.3% oxygen. The molar mass is 284 g/mol. What is the ... (Read 141 times)

asan beg

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on: Jul 8, 2021

Question 1

A mole of the substance water, H2O, refers to:
◦ 12.0000 g H2O
◦ one H2O molecule
◦ 6.02 × 1023 g H2O
◦ 6.02 × 1023 H2O molecules
◦ 6.02 × 1023 atoms of H and O

Question 2

A sample contains 43.7% phosphorus and 56.3% oxygen. The molar mass is 284 g/mol. What is the molecular formula of the compound?
◦ P2O5
◦ PO3
◦ P4O10
◦ P4O5
◦ P5O8
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by asan beg on Jul 8, 2021

kalskdjl1212

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Reply #1 on: Jul 8, 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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asan beg

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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