 3 is weakly acidic , dissolving in alkali to form unstable xenate salts containing the HXeO − 
 3 <a href='drop_aux' title='1'><mark>is</mark></a>weakly acidic , dissolving in alkali to form unstable xenate salts containing the HXeO − 
3 weakly acidic , dissolving in alkali to form unstable xenate salts containing the HXeO −