Respuesta :

chillywhistle

Answer:

R means there's a number of carbon in the chain.

Explanation:

For example RCOOH means that after x number of carbon, the chain ends with COOH.

lucainkviedma

Answer:

The correct answer is "a radical formed by carbons".

Explanation:

Carboxylic acids are a group of compounds characterized by a functional group called the carboxyl group. In a structural formula of a carboxylic acid, such as RCOOH, R symbolizes the existence of a radical formed by a certain amount of carbons attached to the functional group called the carboxyl group (COOH).

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