can someone help with this problem. thank you A Buller Solulhon is Formed byadding 0.500 moles...

Question

Question

A Buller Solulhon is Formed byadding 0.500 moles Sodu Acatate amol O.500 moles o Acatic Acid to loo L H,O Whatis th Pth Solul

can someone help with this problem. thank you

science chemistry

Answer 1

Answer #1

Ka = 1.8*10^-5

pKa = - log (Ka)

= - log(1.8*10^-5)

= 4.745

use:

pH = pKa + log {[conjugate base]/[acid]}

pH = pKa + log {[CH3COO-]/[CH3COOH]}

= 4.745+ log {0.5/0.5}

= 4.745

Answer: 4.75

Answer 2

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