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Author Question: Calculate the mole fraction of phosphoric acid (H3PO4 ) in a 29.1 (by mass) aqueous solution. A) ... (Read 265 times)

melly21297

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on: Aug 27, 2018
Calculate the mole fraction of phosphoric acid (H3PO4 ) in a 29.1 (by mass) aqueous solution.
 
  A) 0.0702
  B) 0.0755
  C) 0.140
  D) 0.0351
  E) The density of the solution is needed to solve the problem.

Question 2

The major source of Cl atoms in the stratosphere is from
 
  A) CFC's.
  B) NaCl.
  C) Cl2.
  D) HCl.


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scikid

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

A

Answer to Question 2

A


melly21297

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

helenmarkerine

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Reply 3 on: Yesterday
Wow, this really help

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