{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

SCAN0010 - Weak Acid vs Strong Base and vice versa HNO2...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Weak Acid vs Strong Base and vice versa - HNO2 + NaOH —-) NaNO2 + H20 Example: 1000 mL 0050 M H'NO2 with 0.025 M NaOH: Note: At 0.00 mL NaOH added ( Kn determines pH) Before equivalent point (pH = plg+ log [A']/[HA] ) At equivalent point A’ -+ 1-130 <3 HA OH' After equivalent point. NH3 + HCl —> NH4Cl : N144" + Hp b F130“ + NH; Examples in text. T itrations in Diprotic Systems J PKaz — 13KII > 4 w observe inflection point. Infloction points of pKa’s very high (:1 1- 14) are difificult to identify. (a) Base + HCI: pith—4.00. pKb2 = 9.00. (b) nicotine with HCI: pKM = (US, 13K“z = 10.85 Remember: K12 = Kw/Kbl K“ = W End-Point Location ...
View Full Document

{[ snackBarMessage ]}