okay say for example they give insoluble salts..what do we do then :| sumun mentioned a gasometer or smthng..any ideas please?
Insoluble salts for chem practical tomz
|AQA GCSE physics P1 unofficial mark scheme||05-05-2016|
React the salt with something, measure the volume of gas given off, use that to find amount (number of mols) , put back into equation to find amount of salt, caluclate mass.
For what question!?