Question

the molecular mass of a substance is the sum of the atomic masses of all the atoms in its molecule​

Answer 1

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☞The molecular formula of chloroform indicates that a single molecule contains one carbon atom, one hydrogen atom, and three chlorine atoms. The average molecular mass of a chloroform molecule is therefore equal to the sum of the average atomic masses of these atoms.....♥

Answer 2

Answer:

☆Formula Mass for Covalent Substances☆

◆◆The molecular formula of chloroform indicates that a single molecule contains one carbon atom, one hydrogen atom, and three chlorine atoms. The average molecular mass of a chloroform molecule is therefore equal to the sum of the average atomic masses of these atoms.◆◆