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Explain which is the stronger acid, H3PO4 or H2SO3; CCl3CH2COOH or CCl2FCH2COOH. [Draw possible Lewis structure models]
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- Based on the Lewis structures of the reactants and product of the following equation, identify the Lewis acid and the Lewis base in it: CO, + OH → HCO, =c=0: + :0-H H-0- O: O Lewis acid: CO,; Lewis base: HCO, O Lewis acid: OH; Lewis base: CO, O Lewis acid: CO; Lewis base: OH-A solution of 0.1 M CF3COOH (trifluoroacetic acid) in water has a pH of about 1. Draw a Lewis structure of CF3COOH in the blue box, and explain why the pH is 1Phosphoric acid, H3PO4(aq),H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH and the concentrations of all species in a 0.150 M phosphoric acid solution. pKa1= 2.16 pKa2= 7.21 pKa3= 12.32 [H3PO4]= ? M [H2PO−4]= ? M [HPO2−4]= ? M [PO3−4]= ? M [H+]= ? M [OH−]= ? M pH=
- Arrange the following in order of increasing acidity: HCN, ClCH2COOH, HClO, C6H5COOH, CH3COOHHow would the pH of a 0.175 M solution of NaC4H,O2 compare with that of a 0.175 M solution of KCĄH;O2 ? Explain.6. Acids and bases are defined by their donation or acceptance of a proton according to the (a) Arrhenius model. (b) Bronsted-Lowry model. (c) Lewis model.
- The molecule (CH3)2N-PF2 has two atoms that can act as Lewis bases. With boron compounds, BH3 attachesto phosphorus, while BF3 attaches to nitrogen. Give your reasoningThe conjugate acid of H2O isRank the following acids in order of increasing strength: (a) HClO4, H3PO4, H2SO4; (b) H3PO4, H3AsO4, H3SbO4; (c) HOF, HOCl, HOBr, HOI; (d) HOCl, HClO2, HClO3, HClO4; (e) CH3CO2H, CF3CO2H, CCl3CO4H;