Calculating the Dipole Moment: Solution 3

In Brief

This page includes solutions to the set of questions related to Calculating the Dipole Moment.
This helps learners to ensure their learning on aspects of Chemistry in general but also how to calculate the magnitude of charge in (e) on the H and Cl atoms that would lead to this dipole moment value.
It is strongly recommended to do the practice quiz before looking at the provided answers.

Question:

If the experimentally measured dipole moment for HCl (g) was 1.08 D, and the bond length was 1.27Å, calculate the magnitude of charge in (e) on the H and Cl atoms that would lead to this dipole moment value.

Solution:

Answer:
1.08 = (x × 1.6 × 10− 19 C) × (1.27 × 10− 10 m) × (1 D / 3.34 × 10− 30 C·m)
x = 0.178



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