Solutions Question 148
Question: If 1 M and 2.5 litre NaOH solution is mixed with another 0.5 M and 3 litre NaOH solution, then molarity of the resultant solution will be [CBSE PMT 2002]
Options:
A) 1.0 M
B) 0.73 M
C) 0.80 M
D) 0.50 M
Show Answer
Answer:
Correct Answer: B
Solution:
$ (2.5\times 1+3\times 0.5)=M_3\times 5.5 $ or $ 2.5+1.5=M_3\times 5.5 $ or $ M_3=\frac{4}{5.5}=0.73 $ M.
