14. Each beaker shown to the right contains iron and an acid. In which beaker will the iron dissolve the fastest
and why?
a. Beaker A because of a higher concentration level.
b. Beaker A because of increased surface area.
C. Beaker B because of a higher concentration level.
d. Beaker B because of increased surface area.

The question is incomplete, the complete question is attached in the image below:

The correct option is D) Beaker B because of the increased surface area.

Explanation:

A solution consists of solute and solvent.

A solute is defined as a component that is present in a smaller proportion while a solvent is defined as a component that is present in a larger proportion.

Solubility is defined as the amount of solute that can be dissolved in a given amount of solvent to form a solution.

Solubility of a substance depends on a few factors:

For the given images,

Beaker A has a large block of iron rod and Beaker B has iron shards.

The smaller molecular size of a substance increases its surface area and thus, increases the solubility.

Hence, the correct option is D) Beaker B because of the increased surface area.

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