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Calculate the pH of 0.05 moldm−3 H2SO4

Calculate the pH of 0.05 moldm−3 H2SO4

A.

1.30

B.

1.12

C.

1.00

D.

0.30

View answer & explanation

Correct answer is C

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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