if 22 grams of benzoic acid, HC6H5CO2, is dissolved in 1.0L of water, the [H+] is found to br 8.0 x 10-4M. Calculate the Ka for benzoic acid

Which of the following is not a characteristic of a hydrogen bond? 1. it is responsible for the unusual physical properties of water. 2. it is weaker than a covalent bond. 3. it is stronger than other dipole-dipole interactions. 4. it can occur when hydrogen is covalently bound to very electronegative elements liks f, cl, br and i.