Could I have the explanations for the respective questions? Use these answers for questions 8 -...

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Chemistry

Could I have the explanations for the respective questions?
Use these answers for questions 8 - 10.
(A) a solution with a pH less than 7 that is not a buffersolution
(B) a buffer solution with a pH between 4 and 7
(C) a buffer solution with a pH between 7 and 10
D) a solution with a pH greater than 7 that is not a buffersolution
(E) a solution with a pH of 7
Ionization Constants
CH3COOH = 1.8 Ã— 10- 5 NH3 = 1.8 Ã— 10-5 H2CO3; K1= 4 Ã—10-7 H2CO3;K2 = 4 Ã— 10-11 8.
8.A solution prepared to be initially 1 M in NaCl and 1 M inHCl.
9. A solution prepared to be initially 1 M in Na2CO3 and 1 M inCH3COONa
10. A solution prepared to be initially 0.5 M in CH3COOH and 1 Min CH3COONa
Answers: A,D,B

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3.9 Ratings (585 Votes)

B A strong acid as HCl when reacted with a lower amount of a weak base would result in a solution with pH less than 7 but its not a buffer solution as we would have an excess of HCl present in See Answer

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