25.3 g of sodium carbonate, Na2CO3 is dissolved in enough water to make 250 mL of solution. If sodium carbonate dissociates completely, molar concentration of sodium ion, Na+ and carbonate ions, CO$${}_3^{2 - }$$ are respectively (Molar mass of Na2CO3 = 106 g mol$$-$$1)
A
0.955 M and 1.910 M
B
1.910 M and 0.955 M
C
1.90 M and 1.910 M
D
0.477 M and 0.477 M
Explanation
Given in the question that molar mass of Na2CO3 = 106 g