Carbon monoxide is typically measured in terms of __________.

Question

Quizplus · Accepted Answer

Carbon monoxide is typically measured in terms of parts per million (ppm) because it is a gas that is present in very small quantities in the air. Ppm is a unit of measurement that determines how many parts of a substance are present per million parts of a mixture. For example, 1 ppm of carbon monoxide means that there is one molecule of carbon monoxide for every one million air molecules.

Carbon Monoxide Is Typically Measured in Terms of __________