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chemistry

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The following errors occurred when the experiment was carried out. How would each affect the calculated molar mass of the solute(too high, too low, no effect)? Explain.
a. The thermometer used actually read 1.4 centigrade too high.
b. some of the solvent was spilled before the solute was added.
c. some of the solute was spilled after it was weighed and before it was added to the solvent.
d. some of the solution was spilled after the solute and solvent were mixed but before the freezing point was determined.

The question is from Molar Mass by Freezing Point Depression.

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