Question

Consider the following data on some weak acids and weak bases: base acid name Ra formula HF hydrofluoric acid 6.8 x 10-4 name formula aniline C6H5NH2 4.3 × 10 -10 ethylamine C2H,NH2 6.4 x 10-4 nitrous acid HNO2 4.5 *10-4 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 C2H5NH3Br choose one 0.1 M KF choose one 0.1 M KNO3 choose one - 0.1 M NaNO2 choose one -

Answer 1

All cont e st Moon EN pas let's see O IM GH, NH Br is made of - Ensum & horn plot of GMs Nh = -log (6.41004) PES -log6-4, 3.192 the toph. 14-3-1932 10.80 ph of nor: 3.00 so it is mixture of pn 10.80 and 3001 10.98 and 3.27 0.1 KF Kont HF Ya Mo phof kona 10.98 ph of tif: 3.27 mixture of ph 0.1M KNO₃ Kon+ UNO & ph of no 3.01 prof kon 10.96 mixture ofph 10.98 and 3.01 /

schill Z X c v B N M Co Fo E All 0-1 M NaNO2 Naon+ nnom ри оf vа си по-98 ph of HNO3= tog (4.5x10-4). - 4- 10745- 3.346=3-3.5 - mixture of Iph 10.98 and 3.35 so you can see all and you with can Loim EMENA BY TOIM, KNOJ Toim Kro To.1M Nana four Combination ranle them now 1 2 lata 3 4 0.1M NANG TONY 10.8 lng pooby