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Author Question: What mass of phosphorus pentafluoride, PF5, has the same number of fluorine atoms as 25.0 g of ... (Read 429 times)

nautica902

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on: Aug 27, 2018
What mass of phosphorus pentafluoride, PF5, has the same number of fluorine atoms as 25.0 g of oxygen difluoride, OF2?
 
  A) 0.933 g
  B) 10.0 g
  C) 23.3 g
  D) 146 g

Question 2

How many electrons are in nickel?
 
  A) 28
  B) 30
  C) 31
  D) 30.7
  E) 58.7


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macagn

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

C

Answer to Question 2

A


nautica902

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Reply 2 on: Aug 27, 2018
Gracias!

tranoy

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Reply 3 on: Yesterday
Wow, this really help

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