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4 Worksheet: Acids and bases - University of Pretoria

2.2 Write down the conjugated bases for the following acids: a. NH4 + b. HSO4 − c. H2O 2.3 Write down the conjugated acids of the following bases: a. H2PO4 − b. HSO4 − c. H2O 2.4 25 cm3 water is added tot 75 cm3 of a 0,13 mol·dm−3 sulphuric acid solution. Calculate the concentration of the diluted solution.