16. You have a solution that either contains Pb(NO3)2 or KNO3. You add a solution of NaCl and observe no change in the solution. Which compound did the original solution contain? Explain your answer.
16. You have a solution that either contains Pb(NO3)2 or KNO3. You add a solution of NaCl and observe no change in the solution. Which compound did the original solution contain? Explain your answer.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter13: Acids And Bases
Section: Chapter Questions
Problem 76QAP: A solution of sodium cyanide, NaCN, has a pH of 12.10. How many grams of NaCN are in 425 mL of a...
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Expert Solution
Step 1
Reaction of Pb(NO3)2 with NaCl :
Pb(NO3)2 + 2NaCl --> PbCl2 + 2NaNO3
Double Displacement Reaction takes place.
Step 2
Reaction of KNO3 + NaCl :
KNO3 + NaCl --> No Reaction
When KNO3 combines with NaCl there is no precipitate forms, no gas evolves and no temperature change takes place.
There is just a solution which contains all the 4 ions i.e. Na+1, Cl-1, K+1, NO3-1.
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