Chemistry, asked by guddu6440, 2 months ago

0.2M CH3CooNa solution ka for CH3CooNa =2×10^-5 Calculate ph

Answers

Answered by Anonymous

2

Answer:

9

Explanation:

pH =7+[pKa + logC]/2

pka = -log(2*10^5)

pka = 5-log2

pka=4.7

pH=7+[4.7+log(0.2)]/2

pH=7+[4.7+log2 -log10]/2

pH=7+[4.7+0.3-1]/2

pH=7+4/2

pH=7+2=9

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