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 $



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