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Your heart beats ~100,000 times a day — roughly 3 billion beats in a lifetime.
Did you know?
Your heart beats ~100,000 times a day — roughly 3 billion beats in a lifetime.
Which of the following is dependent on temperature?
Molarity
Mole fraction
Weight percentage
Molality
To determine which concentration term is dependent on temperature, let's analyze each option:• Molarity (Option 1):Molarity is defined as the number of moles of solute per liter of solution.Since volume is temperature-dependent (as liquids expand or contract with temperature),molarity changes with temperature.• Mole fraction (Option 2):Mole fraction is the ratio of the number of moles of a component to the total number of moles in the mixture.It is a ratio of quantities that do not depend on volume, hence it is independent of temperature.• Weight percentage (Option 3):Weight percentage is the mass of solute divided by the total mass of the solution, multiplied by 100.Since mass does not change with temperature, weight percentage is independent of temperature.• Molality (Option 4):Molality is defined as the number of moles of solute per kilogram of solvent.Since it is based on mass, which is not affected by temperature, molality is independent of temperature.Therefore, the correct answer is Option 1: Molarity, as it is the only concentration term that depends on temperature.
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