Chemistry

Problem

A chemist has a 1.00 L sample of 0.020 M Al(NO₃)₃. The solubility-product constant of Al(OH)₃ at 25 °C is

K_{sp}=3.0\times10^{-34}

. What is the minimum pH at which Al(OH)₃(s) will begin to precipitate? a)

2.3

10.6

3.4

7.0