What Is the Probability of an Impossible Event

question 77

Multiple Choice

What is the probability of an impossible event?

• A) -1
• B) 1
• C) 0.1
• D) 0

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Definitions:

Ppm

Stands for parts per million, a unit of concentration often used to measure the presence of a substance in a mixture, especially in atmospheric or water pollutants.

NMR Spectrum

A representation of the nuclear magnetic resonance of a substance, providing detailed information about the structure, dynamics, reaction state, and chemical environment of molecules.

Compound

A substance formed from two or more elements chemically bonded together in a fixed ratio, exhibiting properties different from those of the individual elements.

Molecular Formula

A way of expressing the numbers and types of atoms in a molecule without indicating how they are connected.