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  4. The dipole moment of H2S is 0.95 D. If the bond angle is 97° , the S-H bond moment would be (cos 48.5 =0.662)

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Q. The dipole moment of $H_2S$ is 0.95 D. If the bond angle is $97^\circ $, the S-H bond moment would be (cos 48.5 =0.662)

KEAMKEAM 2005Chemical Bonding and Molecular Structure

Solution:

$\mu_{obs}=\mu_{S-H}Cos97^\circ 2\mu_{S-H}cos48.5$
$0.95=2\mu_{S-H}\times0.662$
$\mu_{S-H}=\frac{0.95}{2\times0.662}=0.72D$