Which Statement Is Not Correct? Determination of Molar Mass of an Unknown

question 15

Multiple Choice

Which statement is not correct? Determination of molar mass of an unknown sample by an osmotic pressure measurement requires that ________

• A)the solute dissolved in the solution is pure.
• B)the solute is a nonelectrolyte.
• C)the molecules of the solute do not pass through the semipermeable membrane.
• D)the mass of the solute dissolved in the solution is known in advance.
• E)the molar concentration of the solute in the solution is known in advance.

---

Definitions:

European Nationalities

The distinct ethnic, cultural, and political identities of the various peoples and nations within Europe.

Irish

Pertaining to Ireland or its people, culture, or nationality, often used to describe individuals of Irish descent.

Germans

Refers to the people hailing from Germany, a country in Central Europe, or to their descendants and cultural contributions worldwide.

Italians

Refers to the people from Italy or of Italian descent. In a historical American context, often relates to immigration waves and the integration of Italian-Americans into U.S. society.