Why are coloures not observed in reflected light with light in the case of thick film?
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The question requires us to use the dilution formula , where
and
are the stock concentration and volume respectively, then
and
are the dilute concentration and volume respectively.
a. = 1.5 M KCI,
=0.20M KCl,
=250ml KCl
b.
To prepare the solution 33.3ml of 1.5M KCl is diluted to a total final volume of 250ml.