25.3 g of sodium carbonate, `Na_(2)CO_(3)` is dissolved in enough water to make 250 mL of solution. If sodium carbonate dissociates completely, molar concentration of `Na^(+)` and `CO_(3)^(2-)` ions are respectively (molar mass of `Na_(2)CO_(3) = 106 g "mol"^(-1)`)

Options

A. 0.477 M and 0.477 M
B. 0.955 M and 1.910 M
C. 1.910 M and 0.955 M
D. 1.90 M and 1.910 M

Answer

C