Explain why a 0.30 M glucose, C6H12O6, solution as well as a 0.15 M KCl solution at the same temperature have the same osmotic pressure.?

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Answer 1 · 2018-04-19T01:46:10

The Osmotic pressure is givenas #pi# ;

where #pi= iCRT# ;

#i# : van't hoff factor

#C# : concentration of solute

#R# : Universal gas constant

#T# : Temperature in Kelvin

#i# for Glucose #=1#

#i# for #KCl =2#

For the question given above it turns out that the #R# and #T# are same for both the solutes.

#:. pi prop iC#

#:.# For Glucose : #pi prop 1xx 0.30M =0.30M#

For #KCl# : # pi prop 2xx0.15M =0.30M#

Thus both have same Osmotic pressure.