`4g` of `NaOH` was dissolved in one litre of a solution containing one mole of acetic acid and one mole of sodium acetete. Find the pH of the resultin

Question

`4g` of `NaOH` was dissolved in one litre of a solution containing one mole of acetic acid and one mole of sodium acetete. Find the pH of the resultin

`4g` of `NaOH` was dissolved in one litre of a solution containing one mole of acetic acid and one mole of sodium acetete. Find the pH of the resulting solution (`K_(a)` of acetic acid is `1.8xx10^(-3)`)
A. `4.70`
B. `4.83`
C. `5.92`
D. `6.87`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`pH=pKa+log["Salt"]/[["Acid"]]=4.74+log[1.1]/[[0.9]]`
Reaction :
`CH_(3)COOH+NaOHrarrCH_(3)COOHNa`
`{:(1," ",0.1," ",1),(1-0.1," ",0," ",1.1):}`

4 views Answered 2023-02-05 15:29