In a binary liquid mixture, which composition expression remains unaffected by changes in temperature and pressure?

CHEMICAL ENGINEERING MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
CHEMICAL ENGINEERINGchemical-engineering
Published
12 Mar 2019
Last updated
28 May 2026

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Explanation

The composition expressed as the mass of solute per mass of solvent (kg/kg) in a binary liquid system does not vary with temperature or pressure. In contrast, mole-based expressions can change due to temperature and pressure effects on volume and mole numbers.

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