1 mole D-Glucose equals how many osmoles when dissolved in water?

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Multiple Choice

1 mole D-Glucose equals how many osmoles when dissolved in water?

Explanation:
Osmolarity depends on the number of osmotically active particles in solution. D-glucose is a non-electrolyte, so it does not dissociate into ions in water. Each molecule stays as one particle, giving one osmole per mole. The van’t Hoff factor for glucose is about 1, so 1 mole of glucose equals 1 osmole. This contrasts with electrolytes that dissociate (like NaCl) and thus contribute more than one particle per mole, increasing osmoles accordingly.

Osmolarity depends on the number of osmotically active particles in solution. D-glucose is a non-electrolyte, so it does not dissociate into ions in water. Each molecule stays as one particle, giving one osmole per mole. The van’t Hoff factor for glucose is about 1, so 1 mole of glucose equals 1 osmole. This contrasts with electrolytes that dissociate (like NaCl) and thus contribute more than one particle per mole, increasing osmoles accordingly.

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