Which of the Following Can Act as Buffer Solutions

question 73

Multiple Choice

Which of the following can act as buffer solutions?
I.0.1 M HC₂H₃O₂/0.1 M NaC₂H₃O₂
II.0.1 M NH₃/0.1 M NH₄Cl
III.0.1 M HNO₃/0.1 M NaNO₃
IV.0.1 M H₂SO₃/0.1 M NaHSO₃
V.0.1 M KHSO₄/ 0.1 M H₂SO₄

• A)I,II,and III
• B)II,IIIand IV
• C)IIIand IV
• D)I,IIand IV
• E)III,IVand V

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Definitions:

Variance

In statistics, variance is a measure of how far a set of numbers is spread out from their average value. It's key in assessing variability and risk.

Risk Premium

The additional return expected by an investor for taking on a higher level of risk.

Risky Asset

An asset that has a significant degree of uncertainty in its returns, often leading to variability in its investment outcomes.

Normal Distribution

A statistical function that represents the distribution of many types of data; it’s symmetric and describes data that clusters around a mean or average.