Exceptcationsofstrongbases

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

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

Unformatted text preview: um 100% [HA] Convert Ka and Kb: Kw = Ka ∙ Kb = 1.010–14 Acid‐Base Properties of Salts – salt = ionic compound – Soluble salts dissociate into ions in water. – Classify a given salt as acidic, basic, neutral. page 1 of 3 Chapter 17: Acids and Bases (Continued) Acid‐Base Properties of Salts (Continued) Ions that produce acidic solutions – NH4+ and highly charged metal ions: Al3+, Zn2+, etc., except cations of strong bases Ions that produce basic solutions – anions that are conj. bases of weak acids. – all anions except anions of strong acids – Note: SO42– + H2O HSO4– + OH– Ions that produce neutral solutions – do not react with H2O to make H+ or OH– Salts with an acidic cation and basic anion – Classify a given salt as acidic, basic, neutral. – If Ka>Kb, salt is acidic. – If Kb>Ka, salt is basic. – Account for different ion concentrations by multiplying initial concentration with Ka or Kb. pH Calculations for Weak Bases – Write equation for reaction of base with H2O. – Write equilibrium expression for the weak base. – The...
View Full Document

This document was uploaded on 03/22/2014 for the course CHEM 162 at Seattle Central Community College.

Ask a homework question - tutors are online