In: Chemistry
In the titration of 0.010 L of 2.0 M NaOH with 1.0 M HI, what is the pH when 0.015 L of HI have been added?
HI NaOH
MA = 1M MB = 2M
VA = 0.015L VB = 0.010M
M = MBVB-MAVA/VA+VB MBVB>MAVA
= 2*0.010 -1*0.015/0.01+0.015
= 0.005/0.01+0.015
= 0.005/0.025 = 0.2 M
[OH^-] = M = 0.2M
POH = -log[OH^-]
= -log0.2
= 0.6989
PH = 14-POH
= 14-0.6989
= 13.3011 >>>>answer
= -log0.2