Evaluate Using Pascal's Triangle ${ } _ { 8 } C _ { 2 }$

question 5

Essay

Evaluate using Pascal's triangle.Show your work. ${ } _ { 8 } C _ { 2 }$

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Definitions:

Molality

A metric indicating the amount of solute per unit weight of solvent, calculated in moles of solute per kilogram of solvent.

Molarity

The quantification of how much solute is present in a solution, represented by moles of solute per liter of solution.

Infrared Region

A portion of the electromagnetic spectrum with wavelengths longer than visible light and shorter than microwaves, typically used in heating and imaging technologies.

Ultraviolet Region

A portion of the electromagnetic spectrum with wavelengths shorter than visible light but longer than X-rays, often utilized in health, forensics, and sterilization practices.