Calculate the Formula Mass of Potassium Permanganate, KMnO₄

question 30

Multiple Choice

Calculate the formula mass of potassium permanganate, KMnO₄.

• A) 149.91 amu
• B) 79.41 amu
• C) 127.41 amu
• D) 158.04 amu
• E) 174.04 amu

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Definitions:

2-Hexane

A six-carbon aliphatic hydrocarbon with a structural formula of C6H14, where two carbon atoms are connected, forming part of the hexane isomers.

Condensed Structural Formula

A method of representing the molecular structure of a compound where each atom is shown and bonds are implied rather than explicitly drawn, with minimal branching.

Ethene

Ethene, also known as ethylene, is a simple hydrocarbon with the formula C2H4, acting as a hormone in plants and used as a precursor in the chemical industry.

Alkene

A hydrocarbon that contains at least one carbon-carbon double bond, characterized by the general formula CnH2n and often involved in chemical reactions due to its unsaturation.