Following solutions were prepared by mixing different volumes of NaOH and HCl of different concentrations :
A)  60 mL M10HCI  + 40 mL M10NaOH
B)   55 mL M10HCI  + 45 mL M10NaOH
C)  75 mL M5HCI  + 25 mL M5NaOH
D)  100 mL M10HCI  + 100 mL M10NaOH
pH of which one of them will be equal to 1?
1. B
2. A
3. D
4. C

Subtopic:  pH calculation |
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