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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 169 times)

sc00by25

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on: Aug 27, 2018
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.
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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taylorsonier

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Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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sc00by25

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

irishcancer18

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Reply 3 on: Yesterday
Excellent

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