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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 138 times)

asan beg

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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


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Marked as best answer by asan beg on Jul 8, 2021

kalskdjl1212

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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
:D TYSM


jomama

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Reply 3 on: Yesterday
Wow, this really help

 

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