How much weaker in active acidity

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Reference no: EM13118500

A weak acid, Ha, is 0.1% ionized in a 0.2M solution. Answer the following questions:

a) What is the equilibrium constant (Ka) for the dissociation of this acid?
b) What is the pH of this solution?
c) How much 'weaker' in active acidity of the HA solution compared to 0.2M HCl solution?
d) How many mls of 0.1 M NaOH would be needed to neutralize completely 250 ml of the 0.2M HA solution?

Reference no: EM13118500

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