Learn about molecular mass. Understand what the formula unit mass is, how to find molecular mass, and exercise calculating molecular mass in some example problems.

Learn how to count the number of atoms in a formula unit, and see examples that walk through sample problems step-by-step for you to improve your chemistry knowledge and skills.

Understand the definition of the unit cost in accounting, discover the unit cost using its formula, and explore some examples of using the formula to compute the unit cost of an activity.

Learn about chemical formulas. Understand types of chemical formulas such as molecular formula and condensed formula. Discover how to write them and see examples.

The unit for frequency is the hertz (Hz). What is the best definition of frequency? The frequency of waves is how many waves pass a given point in a specific unit of time.

The formula for variable costs is: total quantity of output X variable cost per unit of output = variable cost. A business would need to find this data for a set time period.

Discover how frequency works in science with definitions, formulas, and examples. Watch our 4-minute explainer and lock in your learning with a fast quiz!

Learn about what density is and how to calculate it. Find out what density is in science, physics, and math and study examples of density in the...

What is a fixed cost? Learn the fixed cost definition and how to calculate it using the fixed cost formula. Compare fixed vs. variable costs and see fixed costs examples in business.

Learn about monosaccharides. Understand what a monosaccharide is, discover its general formula and structure, explore its function, and discover examples.