A chemist writes a coefficient of one in front of a formula. Conventio…

Question

A chemist writes a coefficient of one in front of a formula. Convention says this should be:

Accepted Answer

A. Omitted

1. One unit is what a bare formula already means.
2. Writing the digit adds nothing to the meaning.
3. So a coefficient of one is omitted.
_Source: OpenStax Chemistry 2e, Chapter 4, Stoichiometry of Chemical Reactions._

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Doubled

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A chemist writes a coefficient of one in front of a formula. Convention says this should be:

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