Grams of mass in the moles of the substance is called molar mass. The molar mass of dibromomethane is larger than the molar mass of dichloromethane.
Molar mass is the ratio of the mass of the substance present in the moles of the substance. The molar mass of the substances can also be given by the addition of the individual atomic mass of the elements of the compound.
The atomic masses of the atoms are:
The molar mass of the dibromomethane [tex](\rm CH_{2}Br_{2})[/tex] can be calculated as:
[tex]\begin{aligned} \rm Atomic \; mass \; of \; C + H(2) + Br(2) &= \rm 12 + 1(2) + 79.90(2) \\\\&= 173.8 \;\rm g/mol\end{aligned}[/tex]
The molar mass of the dichloromethane [tex](\rm CH_{2}Cl_{2})[/tex] can be calculated as:
[tex]\begin{aligned}\rm Atomic \; mass \; of \; C + H(2) + Cl(2) &= \rm 12 + 1(2) + 35.45 (2) \\\\&= 84.9 \rm \; g/mol\end{aligned}[/tex]
Therefore, the statement is true and the molar mass of dibromomethane is larger than dichloromethane.
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