If the temperature of an aqueous solution of nacl is increased from 20oc to 90oc, which of the following statements is true? the density of the solution remains unchanged. the molarity of the solution remains unchanged. the molality of the solution remains unchanged. the mole fraction of solute decreases. the mole fraction of solute increases.
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the volume changes the moles remain what they were the masses remain what they were
Molality= moles of solute per kg of solvent .
Molality= moles of solute per kg of solvent .
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Answer:
the temperature of an aqueous solution of nacl is increased from 20oc to 90oc, which of the following statements is true? the density of the solution remains unchanged. the molarity of the solution remains unchanged. the molality of the solution remains unchanged. the mole fraction of solute decreases. the mole fraction of solute increases
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