Calculate the pH of 0.05 moldm\(^{-3}\) H\(_2\)SO\(_4\)

  • A 1.30
  • B 1.12
  • C 1.00
  • D 0.30

The correct answer is C. 1.00

Recall from pH formula pH = -Log [H+]

  H2SO4 → 2H+ + SO42-

  2H+ → 2 X0.05 = 0.1

  pH= -Log [0.1] = 1

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