CHEM 210 Exam 1 Review Questions With Accurate Solutions.
What is a BL acid? BL base? - ANSWERAcid is a proton donor while a base is proton acceptor List the 6 strong acids - ANSWERHClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - ANSWERLiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - ANSWERHA <=> H+ + A- Ka = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - ANSWERB + H2O <=> BH+ + OH- Kb = ([BH+][OH-])/[B] What is the equation for pH and pOH? - ANSWERpH = -log[H+] pH + pOH = -log(Kw) = 14 pOH = -log10 [OH-] How would you convert pH to pOH and vice versa? - ANSWERpH = 14 - pOH pOH = 14 - pH How would you convert pH to [H3O+]? - ANSWERpH = - log[H3O+] [H3O+] = 10^-pH
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