THE OSMOTIC PRESSURE OF A SIMPLE MIXTURE: EXAMPLE

? UREA = 0.5 ? GLUCOSE = 0.75

CELL CONTENTS OUTER SOLUTION’S

COMPOSITION

?EFFECTIVE(IN) = 300mM UREA

300mMRT 200mM GLUCOSE

?EFFECTIVE(OUT) =

[300mM x 0.5

+ 200mM x 0.75]RT=

300mM RT

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