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Author Question: The central atom in the O3 molecule has ________ nonbonded electron pair(s) and ________ bonded ... (Read 73 times)

Caiter2013

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on: Aug 27, 2018
The central atom in the O3 molecule has ________ nonbonded electron pair(s) and ________ bonded electron pair(s) in its valence shell.
 
  A) 6, 2
  B) 1, 3
  C) 2, 2
  D) 3, 1
  E) 3, 2

Question 2

A buffer solution with a pH of 4.40 is prepared with 0.78 M Na C2H3O2 and ________ M HC2H3O2. The Ka of HC2H3O2 is 1.8  10-5.
 
  A) 1.7
  B) 3.5
  C) 4.1  104
  D) 0.35
  E) 0.86


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yasmin

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

B

Answer to Question 2

A


Caiter2013

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Reply 2 on: Aug 27, 2018
Gracias!

mjenn52

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Reply 3 on: Yesterday
Excellent

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