4. Calculate the pH of 0.90M HPO4?Ka HPO4^2- = 4.5 x 10-13(a) 7(b) 14(c) 12.3(d) 8.20(e) 6.20

4 Calculate The PH Of 090M HPO4Ka HPO42 45 X 1013a 7b 14c 123d 820e 620 class=

Answer :

Answer

Explanation

Given:

[H⁺] = 0.90 M

Ka HPO₄²⁻ = 4.5 x 10⁻¹³