The dipole moment and bond distance measured for the highly reactive gas phase OH molecu...

The dipole moment and bond distance measured for the highly reactive gas phase OH molecule are 1.78 D and 0.98 respectively. (a) Given these values calculate the effective charges on the H and O atoms of the OH molecule in units of the electronic charges e. (b) Is this bond more or less polar than the H-Cl bond in an HCl molecule? (c) Is that what you would have expected based on electronegativities?