1.

What is the pH of a salt which was produced by a strong acid and a strong base ?

Answer»


Solution :Basic BUFFER ` to pOH =PKB+ log ""(S)/(B) `
` rArr PH =(pK_a) +log ""( B)/(S) ` acid buffer ` to pH =pK_a +log ""(S)/(A) `
`WA + SB rArr ` anion hydrolysis
`rArr pH =7+ ((pKa+ LOGC )/( 2))`
` WB+SA rArr ` cation hydrolysis
` rArr pH =7- ((pK_b+log c)/( 2))`
`WB +SA rArr ` cation hydrolysis
` rArr pH= 7- ((pK_b+log c)/(2))`


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