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Author Question: How many kL does a 1.25 108 cL sample contain? A) 1.25 103 kL B) 1.25 1013 kL C) 1.25 104 ... (Read 20 times)

leo leo

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on: Aug 27, 2018
How many kL does a 1.25  108 cL sample contain?
 
  A) 1.25  103 kL
  B) 1.25  1013 kL
  C) 1.25  104 kL
  D) 1.25  1012 kL
  E) 1.25  102 kL

Question 2

How many millimoles of Ca(NO3)2 contain 4.78  1022 formula units of Ca(NO3)2? The molar mass of Ca(NO3)2 is 164.10 g/mol.
 
  A) 12.6 mmol Ca(NO3)2
  B) 13.0 mmol Ca(NO3)2
  C) 20.7 mmol Ca(NO3)2
  D) 79.4 mmol Ca(NO3)2
  E) 57.0 mmol Ca(NO3)2


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lkanara2

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

A

Answer to Question 2

D


leo leo

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

Bigfoot1984

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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