0 What mass (9) of dipotassium phthalate must be added to 540 mt, of 0,0380 M phthalic acid to give a buffer of pH 5.987 (This problem requires values in your textbook's specific appendices, which you can access through the own V2 Mindtap Header. You should not use the OWLv2 References Tables to answer this question as the values will not match) Mass