Chapter 1: Chemical Measurements

UNT CHEM 3451 Quantitative Chemistry

SI Unit for Time

Seconds (s)

SI Unit for Length

Meter (m)

SI Unit for Mass

Kilogram (kg)

SI Unit for Electric Current

Ampere (A)

SI Unit for Temperature

Kelvin (K)

SI Unit for Amount of Substance

Mole (mol)

Mnemonic for Metric Prefixes

King Henry Died Unexpectedly Drinking Chocolate Milk Making New Parents Feel Anxious.

A solution is composed of a _______ dissolved in a ________.

Solute; Solvent

Formula Mass (FM)

Term used synonymously with molecular mass.

Molarity

The number of moles of solute per liter of solution.

Molality

The number of moles of solute per kilogram of solvent.

Formula to calculate Parts per Million (ppm)

Formula to calculate Dilution

C₁V₁ = C₂V₂

Gravimetric Analysis

Chemical analysis based on weighing a final product.