The formula for the conjugate base of HPO42- is 1. The use of conjugate acid-base pairs allows us to make a very simple statement about relative strengths of acids and bases. Join. 2. The conjugate acid is derived by adding H+ to the species in question. Conjugate Acid Of Co32. TABLE OF CONJUGATE ACID-BASE PAIRS Acid Base K a (25 oC) HClO 4 ClO 4 – H 2 SO 4 HSO 4 – HCl Cl– HNO 3 NO 3 – H 3 O + H 2 O H 2 CrO 4 HCrO 4 – 1.8 x 10–1 H 2 C 2 O 4 (oxalic acid) HC 2 O 4 – 5.90 x 10–2 [H 2 SO 3] = SO 2 (aq) + H2 O HSO Get your answers by asking now. A Br- Which species is the conjugate acid of HCO3-? you guys cost me a grade for your stupidity. C. Which ion is the strongest base? Ask Question + 100. Join Yahoo Answers and get 100 points today. Still have questions? Which solution containing an equal number of moles of each of the substances is a buffer? The conjugate base of HCO3- (bicarbonate ion) is CO32- (carbonate ion) The conjugate acid of HCO3- (bicarbonate ion) is H2CO3 (carbonic acid) This E-mail is already registered as a Premium Member with us. Trending Questions. A HCl and NaCl B HNO2 and HNO3 C CH3COOH and NaCH3COO D H2CO3 and CO32-E More than one of the solutions is a buffer. I smell smoke in my house but can't figure out where it … Hence, the conjugate acid of CO32- is HCO3-Source(s): Flongkoy. 1 decade ago. The answer is therefore HCO3-. B. A CO32-B H2CO3 C CO2 D H2O. Answer HCO3-0 2. Source(s): Answer to 1. The formula for the conjugate acid of CO32- is . Kindly login to access the content at no cost. 10 0. tyler. CO3 2- is carbonate.a carbonate is a salt of carbonic acid (H2CO3),characterized by the presence of the carbonate ion, a polyatomic ion with the formula of CO3 2-. Trending Questions. Still have questions? 5 years ago. 0 0 Lv 7. 1 0.