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.



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