IB DP Chemistry: SL復習筆記8.3.1 Acid Deposition
Acid Deposition What is acid deposition? Rain is naturally acidic because of dissolved CO2?which forms?carbonic acid H2O (l) + CO2?(g) ??? H2CO3?(aq) Carbonic acid?is a?weak acid?and dissociates in...
IB DP Chemistry: SL復習筆記8.2.8 Comparing Strong & Weak Acids
Comparing Strong & Weak Acids Strong and weak acids can be distinguished from each other by their: pH value?(using a pH meter or universal indicator) Electrical conductivity Reactivity pH value...
IB DP Chemistry: SL復習筆記8.2.7 Strong & Weak Acids & Bases
Strong & Weak Acids & Bases Strong acids A?strong acid?is an acid that?dissociates?almost?completely?in aqueous solutions HCl (hydrochloric acid), HNO3?(nitric acid) and H2SO4?(sulfuric aci...
IB DP Chemistry: SL復習筆記8.2.6 pH Meters & Universal Indicator
pH Meters & Universal Indicator The most?accurate?way to determine the pH is by reading it off a?pH meter The pH meter is connected to the?pH electrode?which shows the pH value of the solution ...
IB DP Chemistry: SL復習筆記8.2.5 Acid-Base Calculations
Acid-Base Calculations Using the relationships between pH,?[H?] and [OH?] a variety of problems can be solved pH = - log [H+]? ??and ???Kw?= [H+] [OH-] Test your understanding on the following work...
IB DP Chemistry: SL復習筆記8.2.4 The Ionic Product of Water
The Ionic Product of Water pH of water An equilibrium exists in water where few water molecules dissociate into proton and hydroxide ions H2O(l) ? H+(aq) + OH-(aq) The equilibrium constant for this...
IB DP Chemistry: SL復習筆記8.2.3 Interpreting pH
Interpreting pH The pH scale is a numerical scale that shows how?acidic?or?alkaline?a solution is The values on the pH scale go from 0-14 (extremely acidic substances have values of below 0) All ac...
IB DP Chemistry: SL復習筆記8.2.2 pH & [H?]
pH & [H?] The acidity of an aqueous solution depends on the number of?H+?(H3O+) ions in solution The?pH?is defined as: where [H+] is the concentration of H+?in mol dm–3 The pH scale is a logari...
IB DP Chemistry: SL復習筆記8.2.1 Acid-base Titrations
Acid-Base Titrations The steps involved in performing a?titration?and?titration calculation?are outlined in?Topic 1.2.9 Titrations Acid-base titrations?follow the same steps and are used to find th...
