Answer:
Explanation:
H2CO3 = H+ + HCO3- H2CO3 = 0.530 M Ka =4.4 X10^-7
Ka =[H+][A-]/[HA] [H+] = [A-]
0.530 M x 4.4 X10^-7= [H+}^2
2.32 X10^-7 = [H+}^2
23.2 X10^-8 = [H+}^2
4.83 X 10^-4 = [H+]
pH = - log 4.83 X 10^-4
pH = -(.68-4)
pH =-(-3.32)
pH= 3.32
