Opgave 104 105


Opg 104

  • HNO3 opløsnings på 0,0072 M
  • LaTex: [H_3O^+] = 0,0072M
  • LaTex: pH = -\log([H_3O^+]) = 2,14

Opg 105

0,004 M NaOH
  • LaTex: [OH^-] = 0,004 M
  • LaTex: [H_3O^+] = \frac{10^{-14}}{[OH^-]}=2,5 \times 10^{-12} M
  • LaTex: pH = -\log([H_3O^+]) = 11.60206
0,004 M Ba(OH)2
  • LaTex: [OH^-] = 0,008 M
  • LaTex: [H_3O^+] = \frac{10^{-14}}{[OH^-]}=1,25 \times 10^{-12} M
  • LaTex: pH = -\log([H_3O^+]) = 11.90309