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25.3 of sodium carbonate ,Na2CO3 is diss...

25.3 of sodium carbonate ,`Na_2CO_3` 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 `Na_2CO_3=106 g mol^(-1)`).

A

1.910 M and 0.955 M

B

1.90 M and 0.910 M

C

0.477 M and 0.477 M

D

0.955 M and 1.910 M

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The correct Answer is:
A
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