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The dipole moment (μ) of hbr (a polar covalent molecule) is 0.797d (debye), and its percent ionic character is 11.8 % . estimate the bond length of the h−br bond in picometers.note that1 d=3.34×10−30 c⋅m andin a bond with 100% ionic character, q=1.6×10−19
c.

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MissPhiladelphia
The dipole moment u can be solve using the formula
U = rq
Where u is the dipole moment
R is the bond length
Q = 1.6x10-19 C  
So R = u/q
R = (0.797 d) ( 3.34x10^-30 Cm/ 1 d) /( 1.6x10^-19 C)(0.118)
R = 1.41x10^-10 m
R = 141 pm

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