An Unlabeled Bottle of Clear Liquid Is Found on a Shelf

question 27

Multiple Choice

An unlabeled bottle of clear liquid is found on a shelf. A sign on the shelf says, "Tris-EDTA Buffer, pH 8.0." What is the proper course of action?

• A) Use the liquid as Tris-EDTA.
• B) Taste the liquid to make sure it isn't saline.
• C) Dispose of the liquid.
• D) Measure the pH. If it is 8.0, proceed to use the liquid as Tris-EDTA.

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Definitions:

Beta Coefficient

A measure of a stock's volatility in relation to the overall market; a higher beta indicates greater volatility.

Portfolio

A range of investments held by a person or organization, diversified across asset classes, instruments, or sectors, to manage risk and return.

CAPM

Capital Asset Pricing Model; a model that describes the relationship between systematic risk and expected return for assets, particularly stocks.

Expected Return

The expected profit from an investment, calculated by considering the likelihood of various potential results.