ionic equilibrium......

when one drop of concentrated HCl solution is added to one litre of pure water at 25 celcius the pH drops sudenly from 7 to about 4 When the second drop is added the Ph of the solution further drops to about....

A) 3.7
B) 2
C) 1
D) 0

CORRECT ANSWER IS (A)....PLEASE ANYONE EXPLAIN THE ANSWER...

1 Answers

1357
Manish Shankar ·

mole of [H+] in one drop=10-4

mole of [H+] in two drops=2*10-4

pH=4-log2=3.7

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