Halfway to the Equivalence Point in a Titration Curve of a Weak

question 3

Multiple Choice

Halfway to the equivalence point in a titration curve of a weak acid with a strong base,

• A)nothing is happening yet.
• B)pH = pK_a of the weak acid.
• C)pH = 3.5 exactly.
• D)pH = pK_a of the indicator.
• E)the pH has not yet changed.

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Definitions:

Salmon Farms

Aquaculture operations specifically aimed at breeding and raising salmon in controlled environments for commercial purposes.

Pollution

The introduction of harmful substances or products into the environment, resulting in negative effects on living organisms and the natural ecosystem.

Transgenic Crops

Crops that have been genetically modified to express a gene from another species, conferring beneficial traits such as pest resistance or increased yield.

Pesticide-Resistant

Refers to pests that have developed a resistance to pesticides through genetic mutation or adaptation, reducing the effectiveness of the pesticides.