for aqueous solution of the weak acid HCN, f = cin -p+2=2-1+2= 3. cin can be calculated be by c - r - a = 5 (H2O, HCN, H+, OH- and CN-) -2 (h20 -> H+ OH, HCN -> H+CN)-1 = 2. or it can also be calcualted by cin = 2 (H2O, HCN). MY QUESTION: is the second way of calculating only available for aqueous solution? how to use the first method to calculate aqueous solution of two compound (e.g. KCN and HCl)?

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for aqueous solution of the weak acid HCN, f = cin -p+2=2-1+2= 3. cin can be calculated be by c - r - a = 5 (H2O, HCN, H+, OH- and CN-) -2 (h20 -> H+ OH, HCN -> H+CN)-1 = 2. or it can also be calcualted by cin = 2 (H2O, HCN). MY QUESTION: is the second way of calculating only available for aqueous solution? how to use the first method to calculate aqueous solution of two compound (e.g. KCN and HCl)?

for aqueous solution of the weak acid HCN, f = c -p+2 = 2-1+2= 3. c. can be calculated
by c-r- a = 5(H20, HCN, H+, OH- and CN-) - 2(h20 → H + OH, HCN → H + CN) - 1 = 2. or it can also
be calcualted by c = 2 (H20, HCN). MY QUESTION: is the second way of calculating only available for
aqueous solution? how to use the first method to calculate aqueous solution of two compound (e.g. KCN
and HCl)?
Transcribed Image Text:for aqueous solution of the weak acid HCN, f = c -p+2 = 2-1+2= 3. c. can be calculated by c-r- a = 5(H20, HCN, H+, OH- and CN-) - 2(h20 → H + OH, HCN → H + CN) - 1 = 2. or it can also be calcualted by c = 2 (H20, HCN). MY QUESTION: is the second way of calculating only available for aqueous solution? how to use the first method to calculate aqueous solution of two compound (e.g. KCN and HCl)?
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