A) \[1.11\times {{10}^{-4}}M\]
B) \[3.7\times {{10}^{-4}}M\]
C) \[3.7\times {{10}^{-3}}M\]
D) \[1.11\times {{10}^{-3}}M\]
Correct Answer: B
Solution :
Key Idea: in mixture of 1st acid x its volume of IInd acid its volume of |
Assume the volume of each solution is 1 L. |
in solution of pH = 3 is |
in solution of pH = 4 is |
in solution of pH = 5 is |
Total |
Note: If mixture contains both acids and bases, then concentration of mixture is given as |
Concentration of mixture |
cone of acids their volumes - |
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