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Author Question: A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. The density of the resulting ... (Read 376 times)

debasdf

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A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. The density of the resulting solution is 0.974 g/mL. The molality of NH3 in the solution is ________ m.
 
  A) 0.00353
  B) 0.882
  C) 60.0
  D) 3.24
  E) 3.53

Question 2

How many milliliters of a stock solution of 11.7 M HNO3 would be needed to prepare 0.500 L of 0.500 M HNO3?
 
  A) 0.0468
  B) 21.4
  C) 2.93
  D) 46.8
  E) 0.0214


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EAN94

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debasdf

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Reply 2 on: Aug 27, 2018
Excellent


aruss1303

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Reply 3 on: Yesterday
Wow, this really help

 

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