Tritium Is a Radioisotope of Hydrogen Having a Half-Life of 12.3

question 128

Multiple Choice

Tritium is a radioisotope of hydrogen having a half-life of 12.3 years. If you initially had 1.0 * 10^-7 mole of tritium, how many moles of tritium would be left after 78 years

• A) 8.0 * 10^-10 mol
• B) 1.0 * 10^-9 mol
• C) 1.2 * 10^-9 mol
• D) 1.4 * 10^-9 mol
• E) None of the above

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Definitions:

Butylethylamine

A compound consisting of butyl and ethyl groups attached to an amine functional group.

Butylpropylamine

Butylpropylamine is an organic compound characterized by its structure comprising both butyl and propyl amine groups, and it's used in various chemical syntheses and applications.

Ethylpropylamine

A chemical compound which is an amine derivative from ethyl and propyl groups.

Compound

A compound created by the chemical combination of two or more elements bonded together.