A 40 × 10^-3 Mol L^-1 Aqueous Solution Of Of \mathrm

Multiple Choice

A 4.0 × 10^-3 mol L^-1 aqueous solution of $\mathrm { Ca } ( \mathrm { OH } ) _ { 2 }$ at 25.0 °C has a pH of ________.

A) 2.40
B) 11.60
C) 8.0 × 10^-3
D) 2.10
E) 11.90