One possible answer could be that a chemical reaction has occurred.
Answer:
2Na=Ca(OH)000.1 AgBr=2KF 2KBr=LiNO
Molarity = moles of solute(HCl)
------------------------------------
volume of the solution
= 1
------
5
= 0.2M.
Hence option B is correct.
Hope this helps!!
Answer: B. Allow light to pass through. :)