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Author Question: Calculate the mole fraction of HCl in a 7.20 (by mass) aqueous solution. A) 0.0369 B) 0.0383 C) ... (Read 201 times)

notis

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on: Aug 27, 2018
Calculate the mole fraction of HCl in a 7.20 (by mass) aqueous solution.
 
  A) 0.0369
  B) 0.0383
  C) 0.0739
  D) 0.0185
  E) The density of the solution is needed to solve the problem.

Question 2

The one element present in every organic compound is
 
  A. hydrogen.
   B. oxygen.
   C. carbon.
   D. nitrogen.


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lou

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

A

Answer to Question 2

C


notis

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Reply 2 on: Aug 27, 2018
Wow, this really help

Sarahjh

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

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