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Per NCERT, what is the KEY DIFFERENCE between MOLARITY and MOLALITY — with respect to TEMPERATURE?
ABoth are temperature-independent
BMolarity is TEMPERATURE-DEPENDENT (volume of solution changes with T); Molality is TEMPERATURE-INDEPENDENT (mass doesn't change)
CBoth depend on temperature
DMolality depends on temperature but molarity doesn't
Answer & Solution
Correct answer: B. Molarity is TEMPERATURE-DEPENDENT (volume of solution changes with T); Molality is TEMPERATURE-INDEPENDENT (mass doesn't change)
Per NCERT §3+4, molarity uses volume (T-dependent); molality uses mass (T-independent). Important for problems involving temperature changes.
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