In a 0.25M solution, butanoic acid is 3.0% dissasociated; i) calculate the [H3O+], pH, [OH-] and pOH of solution. ii) calculate Ka of the acid. (help pls ASAP. i'll give to you :)​

The table below shows a comparison of the different gas laws. some cells have been left blank. name variables constants equation boyle's law pressure, volume ? pv = k charles’s law volume, temperature ? v = kt ? temperature, pressure volume, moles of gas p = kt ? pressure, temperature, volume ? which are assumed to be constant while using the combined gas law? 1. pressure 2. number of moles 3. volume and moles of gas 4. pressure and temperature