Answer to Question #94202 in General Chemistry for fe

Question

1. The mass of the flask (before the sample in placed into the flask) is measured when the outside of the flask is wet. However, in Part B.3, the Outside Of the mask is dried before its mass is measured.

a. Will the mass of vapor in the flask be reported as too high or too low, or will it be unaffected? Explain.

b. Will the molar mass of vapor in the flask be reported as too high or too low, or will it be unaffected? Explain.

2. From the time the mass of the flask is first measured in Part A. I until the time it is finally measured in Part B .3, it is handled many times with Oily fingers. Does this lack of proper technique result in the molar mass of the vapor in the flask being reported as too high or too low or as unaffected? Explain.

Answer 1

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