The pKa of a weak acid HA and pKb of weak base BOH are 4.60 and 4.80 respectively. The pH of 0.1 M solution of the salt, BA formed from the acid HA and base BOH is
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The pKa of a weak acid HA and pKb of weak base BOH are 4.60 and 4.80 respectively. The pH of 0.1 M solution of the salt, BA formed from the acid HA and base BOH is
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TIP
Reaction of WA +WB is Salt hydrolysis
Explanation:
pH= 1/2(pkw + pKa -pKb)
= 1/2( 14 -0.2)
= 6.9