How do you make a buffer?
A buffer is a mix of an excess of weak acid and its salt. Buffers can be made in two ways- by mixing the weak acid with its salt or by partially neutralising the weak acid with base. 1- Making buffers by mixing acid and saltCH3COOH <--> CH3COO- + H+ 2- Making buffers by partially neutralising a weak acid with a baseCH3COOH + NaOH <--> CH3COONa + H2O0.5 mol 0.25 mol 0 mol 0 mol0.25 mol 0 mol 0.25 mol 0.25 mol (after neutralisation)(would use whiteboard to explain and visualise equilibrium)
AJ
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