Calculate the PH of 32 mmol of HCl in 75cm^3 solution. Assume HCl fully dissociates.

32 mmol = 0.032 mol

75cm= 0.075dm3

n = c x v    so   c = n / v

c = 0.032mol/0.075 dm3 = 0.426moldm-3

pH = -log[H+]

pH = -log(0.426) = 0.37 (no units)

AP
Answered by Annabelle P. Chemistry tutor

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