Some Basic Concepts Of Chemistry Question 213
Question: How much water should be added to 200 c.c of semi normal solution of $ NaOH $ to make it exactly deci normal [AFMC 1983]
Options:
A) 200 cc
B) 400 cc
C) 800 cc
D) 600 cc
Show Answer
Answer:
Correct Answer: C
Solution:
$ N _1V _1=N _2V _2 $ ; $ \frac{1}{2}\times 200=\frac{1}{10}\times V _2 $ ; $ V _2=1000ml $
Volume of water added $ =1000-200=800ml $ .
