Consider the following data on some weak acids and weak bases: name Ka formula HNO₂ 4.5 x 10 acetic acid HCH3CO₂ 1.8 x 105 nitrous acid acid solution 0.1 M C₂H5NH3Br 0.1 M NH4Cl 0.1 M KCI 0.1 M KCH3CO2 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. X pH ✓ choose one 1 (lowest) 2 3 4 (highest) choose one choose one 3 base. name formula NH3 1.8 × 10 ethylamine C₂H5NH₂ 6.4 x 104 Kb ammonia -5

Consider the following data on some weak acids and weak bases: base acid K₁ Kb name formula name formula acetic acid HCH3CO2 1.8 × 10-5 aniline C6H5NH2 4.3 x 10-10 hypochlorous acid HCIO 3.0 × 10 8 hydroxylamine HONH2 1.1 × 10-8 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. Fynk solution 0.1 M C6H5NH3Br 0.1 M NaCIO 0.1 M HONH3CI 0.1 M KCH3CO2 Check PH choose one choose onev choose one choose one S

The chemical formulae of some acids are listed in the first column of the table below, and in the second column it says whether each acid is strong or weak. Complete the table. List the chemical formula of each species present at concentrations greater than about 10-6 mol/L when about a tenth of a mole of the acid is dissolved in a liter of water. acid strong or weak? ΗΝΟ, strong H₂S weak HI strong H2CO3 weak species present at 10-6 mol/L or greater when dissolved in water U G

Conside following data on some weak acids and weak bases: acid base K. name formula name formula HNO, 4.5 x 10 aniline C6H3NH, |4.3 × 10 4 - 10 nitrous acid hypochlorous acid HC1O -8- 3.0 × 10 NH3 5 1.8 × 10 ammonia Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M NH4Br choose one ● 0.1 M C6H5NH3CI choose one ● 0.1 M NaCl choose one ● 0.1 М KCIO choose one O