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Author Question: What is the pH of an aqueous solution at 25.0 C in which OH- is 0.0030 M? A) 5.81 B) -11.48 C) ... (Read 135 times)

bobthebuilder

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  • Posts: 567
on: Aug 27, 2018
What is the pH of an aqueous solution at 25.0 C in which OH- is 0.0030 M?
 
  A) 5.81
  B) -11.48
  C) 2.52
  D) -2.52
  E) 11.48

Question 2

It takes 258 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect?
 
  A) 464
  B) 233
  C) 165
  D) 725
  E) 552


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kswal303

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

E

Answer to Question 2

A


bobthebuilder

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  • Posts: 567
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

Zebsrer

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Reply 3 on: Yesterday
:D TYSM

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