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please help solve both parts, thank you!!
7. Using a calculator, calculate the following parameters and fill-in the spaces provided (6 pts) [H+ pH pOH [OH-| 2.5 x 104M
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Answen C) 2.5x10 %) = [041] pOH = -log (2.5x10.) = 3.602 - pH = 14- 3.60 = 10.397 [H +) = 10-10.397 = 4x16 (M) [) = 6:15x10♡ [ON] = 4.2 xcötime) poH = -log (4.2 x 10) = 3.37 pH = 14-3.37 = 10.62 .: (A+) = $115 10:62 = 2.39 xió m. - 1.2 polt = 12s kae [H*) [A-] 217A) ar Kaz (0.0025x0.35) fo.10 380.38) 8:35-818825x0-35 0.35 -0.0025x20:35 ~ 0.35 [because ao Carors is too

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