Question #36392

What concentration of glucose is isosmotic to a 0.25 M solution of NaCl?

Expert's answer

Osmolarity of NaCl = i*C*R*T, where i=2 because NaCl disosiated into two ions.

Osmolarity of glucose = i*C*R*T, where i=1 brcause glucose does not dissosiate.

Thus, concentration of glucose = 2*0.25*R*T/1*R*T = 0.5 M

Osmolarity of glucose = i*C*R*T, where i=1 brcause glucose does not dissosiate.

Thus, concentration of glucose = 2*0.25*R*T/1*R*T = 0.5 M

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