A 255 ML Round-Bottom Flask Is Weighed and Found to Have

question 56

Multiple Choice

A 255 mL round-bottom flask is weighed and found to have a mass of 114.85 g.A few milliliters of an easily vaporized liquid are added to the flask and the flask is immersed in a boiling water bath.All of the liquid vaporizes at the boiling temperature of water,filling the flask with vapor.When all of the liquid has vaporized,the flask is removed from the bath,cooled,dried,and reweighed.The new mass of the flask and the condensed vapor is 115.23 g.Which of the following compounds could the liquid be? (Assume the ambient pressure is 1 atm.)

• A)ethanol
• B)propanol
• C)butanol
• D)hexanol
• E)methanol

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Definitions:

Partial

Pertaining to something that is not whole or complete, often used in financial contexts to describe payments, completion of tasks, or fulfillment of obligations that are not entirely settled.

Temporary Difference

A difference between the book value of an asset or liability and its tax value that results in taxable or deductible amounts in future years.

Pretax Financial Income

Pretax Financial Income is the amount of income earned by a company before taxes are deducted, as reported in its financial statements.

Taxable Income

The amount of income used to calculate how much tax an individual or a company owes to the government in a particular tax year.