H2SO4 + NH3  HSO4 - + NH4 + 12. H2SO4 goes to HSO4 - a) Did it gain or lose a proton? _________ b) Is it a Brønsted -Lowery acid or base? ___________ 13. NH3 goes to NH4 + a) Did it gain or lose a proton? ___________ b) Is it a Brønsted -Lowery acid or base? _________