Calculate the concentration of all species in a 0.540 MM solution of H2SO3H2SO3. The acid ionization constants for the acid are Ka1=1.6×10−2Ka1=1.6×10−2 and Ka2=6.4×10−8Ka2=6.4×10−8 .

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o