Solutions Question 182
Question: The molarity of a solution of $ Na_2CO_3 $ having $ 10.6g/500ml $ of solution is [AFMC 1992; DCE 2000]
Options:
A) $ 0.2M $
B) $ 2M $
C) $ 20M $
D) $ 0.02M $
Show Answer
Answer:
Correct Answer: A
Solution:
$ M=\frac{w\times 1000}{m.,wt.\times Volumein,ml.} $
$ =,\frac{10.6\times 1000}{106\times 500}=0.2,M $ .
