University:
Mississippi College
Course:
CHE 141 | General Chemistry I
Academic year:

2022
Views:

59

Pages:

2
Author:

Abby D.

Ph NotesA measure of the acidity or (bosicity/alk anity,) of an aqueousSolutionwants to Took for one (H2O)Hi.....attph=-log[Ht]H HO714HCIH ©+cP acidic neutral basicSA(a proton)Hydronium ion H3O+A-know6-SA'SHI, HBr, HCI,HPO 43, INO3 one moreHC2H3O2H++C2H3O2WAdoesn't disociate fully - -we for WA'SH+] is inversely proportional to theph= -log[[++]57891011121314.neutralH2O(10g) Ph = logH+] (10g'0)morepnSA'S10WBSB10-Ph= [H+]21-210°101010-310M10-810-10to10th1810'4[H+]=10-PHD=1M[H+],MKOHK+&OH[H+],[OH-][H+],Question' which solution has a lower Ph? SB (metal) OHa0.1SM NH4OHor 0.15 MCa(OH)2WBSBwhich solution has a higher Ph?0.75MHNO3or 1.5M HNO3lower ph then opp. onemore ptlow pnlow Pt high ph3.22 Calc the[H+] of a soin w/ a ph = 4.83?concentration =M[H+]=10Ph [H+] = 10-4.83 = 1,48x10-5MCalc the ph of a soln w/[H+] = 7.9 X 10TMph=log (7.9 x 10 " = 10.10 & pn always 2 decimal placesno thing for Ph