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Answer the given question .
0.01 M solution of
"0.01 M solution of $H_2A$ has pH equal to 4. If $K_{a1}$ for the acid is $4.45 \times 10^{-7}$, the concentration of $HA^-$ ion in solution would be Question no 10"
Four words have been given, out of which three are alike in some manner and one is different. Select the odd one?
The distance between the points P(0, 2) and Q(6, 0) is
The area of a triangle with vertices (a, b + c), (b, c + a) and (c, a + b) is
The area of a triangle with vertices (a, b + c), (b, c + a) and (c, a + b) is
This is physics related question