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OCR chemistry - unifying concepts - help please
what is a good, simple definition for Ka and pKa for acids? I understand how to use them and I know what Ka is, however, if a question was to ask 'explain what is Ka / pKa' I wouldnt know where to begin!
any help greatly appreciated x
any help greatly appreciated x
x0hannah0x
what is a good, simple definition for Ka and pKa for acids? I understand how to use them and I know what Ka is, however, if a question was to ask 'explain what is Ka / pKa' I wouldnt know where to begin!
any help greatly appreciated x
any help greatly appreciated x
Ka is the acid equilibrium constant. It is defined by the relationship:
Ka = [H+][A-]/[HA] for a weak monoprotic acid.
pKa is defined as the negative logarithm of Ka
thanks x
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