Published by:
CGP EDU Academic Team
Published on: August 13, 2026
25.3 
of sodium carbonate, 
is dissolved in enough water to make 250 
of solution. If sodium carbonate dissociates completely, molar concentration of sodium ion, 
and carbonate ions, 
are respectively (Molar mass of 
)
A
0.955 
and 1.910 
and 1.910
B
1.910 
and 0.955 
and 0.955
C
1.90 
and 1.910 
and 1.910
D
0.477 
and 0.477 
and 0.477
Text Solution
Verified by ExpertsThe correct answer is:
B
Given that molar mass of 
Molarity of solution 
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