What Do the Brackets in the Following Equation Represent? [H₃O⁺]

question 76

Multiple Choice

What do the brackets in the following equation represent? [H₃O⁺] × [OH^-] = K_w

• A)The brackets mean the molarity of the compound inside them.
• B)The molecule inside does not react with the other molecules in brackets.
• C)The molecule in brackets is undergoing hydrogen bonding with the other molecule in brackets.
• D)The first molecule in brackets is an acid and it reacts with the second molecule in brackets,which is a base.
• E)none of the above

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Definitions:

Dentin

A hard, dense, bony tissue forming the bulk of a tooth beneath the enamel.

Enamel

The hard, outermost layer of a tooth that protects against decay and is the hardest substance in the human body.

Photomicrograph

An image taken using a microscope to show a magnified view of a tiny object.

Duodenum

The first section of the small intestine immediately beyond the stomach, responsible for the initial breakdown and absorption of nutrients.