If you mix equal volumes of pH 4.0 and pH 6.0 solutions, what will be the approximate pH of the final solution?
(1)7.0
(3)5.0
(2) 3.7
(4) 4.3

If you mix equal volumes of pH 4.0 and pH 6.0 solutions, what will be the approximate pH of the final solution?
(1)7.0
(3)5.0
(2) 3.7
(4) 4.3