Solutions Question 152
Question: The volumes of $ 4,N,HCl $ and $ 10,N,HCl $ required to make 1 litre of $ 6,N,HCl $ are [Kerala PMT 2004]
Options:
A) 0.75 litre of 10 N HCl and 0.25 litre of 4 N HCl
B) 0.25 litre of 4 N HCl and 0.75 litre of 10 N HCl
C) 0.67 litre of 4 N HCl and 0.33 litre of 10 N HCl
D) 0.80 litre of 4 N HCl and 0.20 litre of 10 N HCl
E) 0.50 litre of 4 N HCl and 0.50 litre of 10 N HCl
Show Answer
Answer:
Correct Answer: C
Solution:
$ N_1V_1+N_2V_2=NV $
$ 4x+10(1-x)=6\times 1 $ ; $ -6x=-4 $ ; $ x=0.66 $
