Using methods to determine something's actual age is known as what? Carbon 14 dating Uranium 235 dating Relative dating Absolute
2 answers:
You might be interested in
Answer:
2.19 x 10^-12.
Explanation:-
The relation between Ka and Kb for an acid and it's conjugate base is
Ka x Kb = Kw where Kw = ionic product of water.
So Kb = 10^-14 / (4.57 x 10 ^ -3)
= 2.19 x 10^-12
