Question

DATA TABLE (did each mixture produce precipitate YES or NO?) Each YES or NO represents the result when the sample on the vertical column and horizontal row were mixed. Sample #1 #2 #3 #4 #5 #6 #7 #1 #2 YES #3 YES NO #4 NO NO YES #5 NO YES YES NO #6 NO NO YES NO #7 YES NO NO NO YES NO Identify each of the seven samples as Ca$^{2+}$, OH$^-$, Pb$^{2+}$ or Cl$^-$. Explain your reasoning. #1 #2 #3 #4 #5 #6 #7 (Hint: Each of the four types of unknowns will precipitate a different # of times in this experiment.)

          DATA TABLE (did each mixture produce precipitate YES or NO?)
Each YES or NO represents the result when the sample on the vertical column and
horizontal row were mixed.
Sample #1 #2 #3 #4 #5 #6 #7
#1
#2 YES
#3 YES NO
#4 NO NO YES
#5 NO YES YES NO
#6 NO NO YES NO
#7 YES NO NO NO YES NO
Identify each of the seven samples as Ca$^{2+}$, OH$^-$, Pb$^{2+}$ or Cl$^-$. Explain your
reasoning.
#1 #2 #3 #4 #5 #6 #7
(Hint: Each of the four types of unknowns will precipitate a different # of times in
this experiment.)

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DATA TABLE (did each mixture produce precipitate YES or NO?)
Each YES or NO represents the result when the sample on the vertical column and
horizontal row were mixed.
Sample #1 #2 #3 #4 #5 #6 #7
#1
#2 YES
#3 YES NO
#4 NO NO YES
#5 NO YES YES NO
#6 NO NO YES NO
#7 YES NO NO NO YES NO
Identify each of the seven samples as Ca^2+, OH^-, Pb^2+ or Cl^-. Explain your
reasoning.
#1 #2 #3 #4 #5 #6 #7
(Hint: Each of the four types of unknowns will precipitate a different # of times in
this experiment.)

Added by Matthew B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Henry He

Step 1

We can see that when sample #1 is mixed with sample #2, it produces a precipitate (YES). This means that either sample #1 or sample #2 is the precipitate-forming substance. Show more…

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DATA TABLE (did each mixture produce precipitate YES or NO?) Each YES or NO represents the result when the sample on the vertical column and horizontal row were mixed. Sample #1 #2 #1 #2 YES #3 YES NO #4 NO NO #5 NO YES #6 NO NO #7 YES NO #3 #4 #5 #6 L# YES YES YES NO NO NO NO NO YES NO Identify each of the seven samples as CaOH, P, B, or Cl. Explain your reasoning. #1 #2 #3 #4 #5 #6 #7 Hint: Each of the four types of unknowns will precipitate a different number of times in this experiment.

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