Two monoprotic weak acids HA1 and HA2 have K_a values 1.5times10^-5 and 1.5times

Question

Two monoprotic weak acids HA1 and HA2 have K_a values 1.5times10^-5 and 1.5times10^-5, respectively, Which acid is relatively, which acid is relatively stronger? ii) Calculate pKa for both acids and make a correlation for strength of acid with pKa. The higher the value of pKa, the (weaker or stronger) the acid is. iii) Can you guess which of the above acids has higher degree of ionization? (Consider both acid solution are of same concentration)? iii) Can you guess which of the above acid solutions has higher pH (consider both acid solution are of same concentration)?

Explanation / Answer

24) i) the acid with larger Ka is more acidic

ii) weaker

iii) HA1

iv) HA2

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