HCOOH + (-)OH = HCOO- + H2O 0.106 M 0.212M 0.106 K = [HCOO- ]/[HCOOH][-OH] = 0.106/(0.106*0.212) = 4.71 Solution HCOOH + (-)OH = HCOO- + H2O 0.106 M 0.212M 0.106 K = [HCOO- ]/[HCOOH][-OH] = 0.106/(0.106*0.212) = 4.71.Read less