Solutions Question 140
Question: What will be the molarity of a solution containing $ 5g $ of sodium hydroxide in $ 250,ml $ solution [MP PET 1999; BHU 1999; KCET 1999; AIIMS 2000; Pb. CET 2000]
Options:
A) 0.5
B) 1.0
C) 2.0
D) 0.1
Show Answer
Answer:
Correct Answer: A
Solution:
$ M=\frac{W}{m.wt.}\times \frac{1000}{\text{Volume in} ml.}=\frac{5\times 1000}{40\times 250}=0.5M $
