A2.183 g sample of a solid mixture containing only potassium carbonate ( mm=138.2058 g/mol ) and potassium bicarbonate ( mm=100.1154 g/mol ) is dissolved in distilled water. a volume of 33.26 ml of a 0.788 m hcl standard solution is required to titrate the mixture to a bromocresol green end point. calculate the weight percent of potassium carbonate and potassium bicarbonate in the mixture. k2co3 : wt% khco3 : wt%