Write the molecular formula for a carbohydrate containing three carbons.

검증된 단계별 안내

Understand that carbohydrates follow the general formula C_nH_2nO_n, where 'n' represents the number of carbon atoms.

Identify that the problem specifies a carbohydrate containing three carbons, so n = 3.

Substitute n = 3 into the general formula to determine the molecular formula: C₃H₂₍₃₎O₃.

Simplify the formula by calculating the number of hydrogen atoms: H₆ (since 2 × 3 = 6).

Combine the elements to write the molecular formula: C₃H₆O₃, which represents a carbohydrate with three carbons.

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주요 개념

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Carbohydrates

Carbohydrates are organic compounds made up of carbon, hydrogen, and oxygen, typically in a ratio of 1:2:1. They serve as a primary energy source for living organisms and are classified into simple sugars (monosaccharides) and complex carbohydrates (polysaccharides). Understanding their structure is essential for determining their molecular formulas.

Molecular Formula

A molecular formula represents the number and types of atoms in a molecule, indicating the specific elements and their quantities. For carbohydrates, the formula is often expressed as Cn(H2O)n, where 'n' indicates the number of carbon atoms. This formula helps in identifying the composition of the carbohydrate.

Triose

A triose is a type of monosaccharide that contains three carbon atoms. The two main forms of trioses are glyceraldehyde and dihydroxyacetone, which are important in metabolic pathways. Recognizing that a carbohydrate with three carbons is classified as a triose is crucial for accurately writing its molecular formula.