What Is a Shortcoming of the Original Buffers Made from Simple

question 50

Multiple Choice

What is a shortcoming of the original buffers made from simple weak acids and bases?

• A) Their pH sometimes changes too much as the temperature changes.
• B) Their pH sometimes changes too much upon dilution.
• C) They often permeate cells in solution and change cell chemistry.
• D) All of these are true.

---

Definitions:

Pure Expectations Hypothesis

A theory that suggests that the interest rates on long-term bonds will equal an average of current and future short-term interest rates.

Yield Curve

A graphical representation showing the relationship between the interest rates on debts of different maturities, typically of government bonds, highlighting investors' expectations for future interest rates and economic conditions.

Liquidity Premium

An additional return that investors demand for holding securities that are not easily convertible into cash without a significant loss in value.

Holding-Period Return

The total return received from holding an asset or portfolio of assets over a specified time period, often measured as a percentage.