How many gram of `CaC_(2)O_(4)` will dissolve in distilled water to make one litre of saturated solution ? `(K_(sp) =2.5xx10^(-9)` and its molecular mass is 128 )

Options

A. 0.0064 g
B. 0.0128 g
C. 0.0032 g
D. 0.0640 g

Answer

A