1.

The molarity of a solution of \[N{{a}_{2}}C{{O}_{3}}\] having \[10.6g/500ml\] of solution is                               [AFMC 1992; DCE 2000]

A.                 \[0.2M\]
B.                 \[2M\]
C.                 \[20M\]  
D.                 \[0.02M\]
Answer» B.                 \[2M\]


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