How would each of the following procedural errors affect the results to be expec

Question

How would each of the following procedural errors affect the results to be expected of a Molar Mass of a Volatile Liquid?

How would each of the following procedural errors affect the results to be expected in this experiment? Give your reasoning in each case. 2. a. All of the liquid was not vaporized when the flask was removed from the water bath. b. The student read the barometric pressure as 727 mm Hg rather than its true value of 747 mm Hg. The flask was left open to the atmosphere while it was being cooled, and the stopper was inserted just before the final weighing. c. d. The flask was removed from the bath before the vapor had reached the temperature of the boiling water. All the liquid had vaporized.

Explanation / Answer

A) results will be to low
B) the number of moles would also be to low
C) contamonation can occur
D) composition is biased

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