Ngày tải lên :
04/10/2013, 09:19
... = 10 -7 v Kw = [H+].[OH-] = 10 -14 b Ch s pH: pH = - lg[H+] hay [H+] = 10 -pH Vớ d: - Dung dch HCl 0,01M [H+] = 10 -2 pH = - lg[H+] = - Dung dch NaOH 0,001M [OH-] = 10 -3 [H+] = 10 -11 pH = 11 ... = 13 7) [8-37] A .1, 59 B .1, 95 C .1, 17 D .1, 71 BT 12 0 (2007) Cho 200 ml dung dch AlCl3 1, 5M tỏc dng vi V lớt dung dch NaOH 0,5M, lng kt ta thu c l 15 ,6 gam Giỏ tr ln nht ca V l (cho H = 1, O = 16 , ... dung dch NaOH 1M, lng mui khan thu c l (cho H = 1, C = 12 , O = 16 , Na = 23) [18 -39] A 4,2 gam B.5 ,8 gam C 6,3 gam D 6,5 gam BT 11 1 Hũa tan 16 ,8g mui NaHCO3 vo 10 0mL dung dch Ba(OH)2 1, 5M thu c...