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Student XI IPA
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Delfianti Pratiwi
Rockstar Teacher GURU SMA
[Nachi] = 0,02m Basa kwat Volume Nath = 100 mL ~ Asam lemah [ HCOOH] = 0.02 M Volume HCODH = 100 ml Det=pH ? Jo 0 Menentukan mol Naot & HCOOH mot Nath = Vx inact] = 100 mL x 0,02 M= ammol mot Hoon VA CHCool] = 100 ml x 0.02 M a mool 2) Menentukan Tott"] 3 Menghiting pH lantan POH = -log (81"] = -logle, 45.107) = 6.13 pH = 14 -pott = 14-6,13 =(7.87 - Hoooh & Nach — + → HCOONa+ H₂O (HCOONa] fotala mol ammol 0,01M m 2 mmol ammol Utotal Lootlov ml - ammol - znnol + immol tzmmol [64- 1.10-14 xhol KW x [Helona ka = 7,45.107 -4 S ammol 2 mol 1.8.10 Pahamify
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