Question

If pKb for CN- at 25oC is 4.7 , the pH of 0.5 M NaCNsolution is(GIven 1o-0.17= 0.67)

a. 12

b. 10

c. 11.5

d. 11

Answer 1

$hey$
$here \: is \: ur \: answer$



$11.5$

✌✔✌

Answer 2

$hey$

$here \: is \: ur \: answer$



$11.5$


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