Core Practical 15: Analysis of Inorganic and Organic Unknowns Testing for positive ions Simple test tube reactions can be done to identify the following positive ions: Group 2 ions (M2+) Amm...
Core Practical 12: Preparing a Transition Metal Complex Method Weigh between 1.4?g and 1.6?g of copper(II) sulfate. To do this you should weigh a test tube and record its mass. Then add the ...
Core Practical 11: Redox Titration Redox Titrations In a?titration, the concentration of a solution is determined by titrating with a solution of known concentration. In redox titrations, an...
Core Practical 14: Finding the Activation Energy of a Reaction In this practical the activation energy for the reaction between bromide ions and bromate(V) ions will be determined BrO3-?+ 5B...
Core Practical 13a: Titrimetric Methods The reaction between iodine in an acidic solution and propanone is CH3COCH3?(aq) + I2?(aq) →?CH3COCH2I?(aq) + H+?(aq) +?I-?(aq) We can follow the rate...
Core Practical 10: Investigating Electrochemical Cells Measuring the EMF of a cell To measure a cell EMF you will need Two small beakers, around 75 cm3?capacity Strips of suitable metals suc...
Core Practical 9: Finding Ka for a Weak Acid The?Ka?of a weak acid may be determined by finding the pH at the half equivalence point At the half equivalence point?Ka?= [H+] Key steps in the ...
Types of Column Chromatography Column Chromatography In column chromatography, the column is often a long vertical glass tube or in the laboratory a burette is suitable An inert solid (usual...
2023年AP課程考試報名開啟，9月19日-10月18日。尤其是社會考生！為了幫助大家更好的選擇AP報考科目，我們幫大家總結了AP考試的考試趨勢，5分率以及AP報名費用，希望能夠對大家有幫助！ AP考試趨勢： 2019年以前，...
