Essentials Midterm Practice

Front

What is molarity?

Back

Molarity is a measure of concentration defined as the number of moles of solute per liter of solution (mol/L).

Front

How do you calculate molarity?

Back

Molarity (M) = moles of solute / liters of solution.

Front

What is the formula for dilution?

Back

C1V1 = C2V2, where C1 and C2 are the concentrations before and after dilution, and V1 and V2 are the respective volumes.

Front

What does OSHA stand for?

Back

OSHA stands for the Occupational Safety and Health Administration, which regulates workplace health and safety.

Front

What is the role of the FDA?

Back

The FDA (Food and Drug Administration) is responsible for evaluating the safety and efficacy of pharmaceuticals before they can be marketed.

Front

What is agarose gel used for?

Back

Agarose gel is used in molecular biology for the separation of DNA and RNA fragments during electrophoresis.

Front

What is the first step in preparing agarose gel?

Back

The first step is to weigh agarose powder accurately.

Front

What is the significance of the equation PV = nRT?

Back

This equation is the ideal gas law, relating pressure (P), volume (V), number of moles (n), gas constant (R), and temperature (T).

Front

What is the purpose of the EPA?

Back

The EPA (Environmental Protection Agency) manages environmental pollution control and ensures public health and the environment are protected.

Front

What does Ksp represent?

Back

Ksp is the solubility product constant, which is used to describe the equilibrium between a solid and its ions in a saturated solution.