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-Volume Ba(OH)2= 100 mL
-pH= 13 --> pOH= 1 --> [OH-]= 10^-1
-M HCl 0,2 M
-Volume HCl= > mL?
Ba(OH)2 --> Ba2+ + 2OH-
0,05 0,1
Konsentrasi Ba(OH)2 sebesar 0,05 M. Jadi:
HCl = Ba(OH)2
V1M1valensi=V2M2valensi
V1x0,2x1=100x0,05x2
V1= 50 mL atau 0,05 L