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...
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UP 0 DOWN 0 0 1
1 Answers
Manish Shankar
·2010-01-26 08:41:09
mole of [H+] in one drop=10-4
mole of [H+] in two drops=2*10-4
pH=4-log2=3.7