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categoryالفيزياء schoolبكالوريوس event_available2026-07-15

السؤال

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a) water 1 pH before mixing = 7.00 2 pH after mixing= 1.387 3 pH change = -5.613 b) 0.135 M C2H3O2¹- pH before mixing 8.94 5 pH after mixing= 3.575 6 pH change = -3.88 c) 0.135 M HC2H3O2 7 pH before mixing 8 pH after mixing= 9 pH change = > * * d) a buffer solution that is 0.135 M in each C2H3O2¹ and HC2H3O2 pH before mixing 10 11 pH after mixing= 12 pH change =

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