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25.3 g of sodium carbonate Na2CO3 is dis...

25.3 g of sodium carbonate `Na_2CO_3` is dissolved in enough water to make 250 ml of solution. If sodium carbonate dissociated completely, molar concentration of sodium ion, `Na^+` and carbonate ions , `CO_3^(2-)` are respectively `(Molar mass of Na_2CO_3=106gmol^-1)`.

A

1.90M and 1.910 M

B

0.477M and 0.0477 M

C

0.955 and 1.910M

D

1.910 M and 0.955M

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