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:

1913

A year notable for several key historical events, including the ratification of the 16th Amendment to the U.S. Constitution, introducing the federal income tax.

Excess Reserves

Banks' reserves that exceed the minimum reserve requirements set by central banking authorities, indicating additional liquidity.

Actual Reserves

The total amount of funds that a bank has held in reserve, both required and excess, to meet its liabilities.

Required Reserves

Minimum vault cash or reserves; held at the Federal Reserve District Bank.