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Author Question: What is the molarity of sodium chloride in solution that is 13.0 by mass sodium chloride and that ... (Read 199 times)

sc00by25

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What is the molarity of sodium chloride in solution that is 13.0 by mass sodium chloride and that has a density of 1.10 g/mL?
 
  A) 143
  B) 2.45
  C) 2.56
  D) 2.23
  E) 1.43  10-2

Question 2

Silver ions can be precipitated from aqueous solutions by the addition of aqueous chloride:
 
  Ag+ (aq) + Cl- (aq)  AgCl (s)
 
  Silver chloride is virtually insoluble in water so that the reaction appears to go to completion. How many grams of solid NaCl must be added to 25.0 mL of 0.149 M AgNO3 solution to completely precipitate the silver?
  A) 3.73  10-3
  B) 6.37  10-5
  C) 0.218
  D) 0.0637
  E) 1.57  104

Question 3

All of the following are examples of a chemical change except
 
  A. formation of rust.
  B. burning wood.
  C. boiling water.
  D. staining wood.


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taylorsonier

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sc00by25

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Reply 2 on: Aug 27, 2018
Gracias!


steff9894

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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