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Author Question: How many grams of H3PO4 are in 175 mL of a 4.00 M solution of H3PO4? A) 0.700 B) 20.0 C) 68.6 ... (Read 70 times)

savannahhooper

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on: Aug 27, 2018
How many grams of H3PO4 are in 175 mL of a 4.00 M solution of H3PO4?
 
  A) 0.700
  B) 20.0
  C) 68.6
  D) 4.90
  E) 612

Question 2

All of the subshells in a given shell have the same energy in the hydrogen atom. In a many-electron atom, the subshells in a given shell do not have the same energy. Why?
 
  What will be an ideal response?


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ErinKing

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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

Hydrogen atoms have only one electron. Therefore, in a hydrogen atom, the energy of orbitals depends only on n. In many-electron atoms, electron-electron repulsion causes the energies of subshells in a given shell to differ.


savannahhooper

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Reply 2 on: Aug 27, 2018
Wow, this really help

sailorcrescent

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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