Homework Answers
H2SO4 = 2 H+(aq) + SO42- (aq)
H+ = 2 * H2SO4 ( H2SO4 is strong acid but it is not 100% dissociable but we calculate some times consider it as an completely dissociable)
= 2 * 0.05 = 0.1
pH = - log ( H+)
= - log ( 0.1 )
= 1.00
Therefor on considering 100% dissociable we get pH = 1
When it is not completely dissociable we get less number of hydrogen ions so our pH will be slightly greater than 1.
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