Ratio of loss in solvent to gain in `CaCl_(2)` tube is

Options

A. `(p^(o))/(p^(s))`
B. `(p^(s))/(p^(o))`
C. `(p^(o) - p^(s))/(p^(s))`
D. `(p^(s) - p^(o))/(p^(s))`

Answer

C