hw many grm moles of HCl will b required to prepare one litre of buffer solution (conatinin NaCN and HCl) of PH 8,5 usin .01 grm formula weight of NaCN ? Kdisso (HCN)=4.1*10^(-10)
here is am method rite
ph=pka+log(salt/acid)
[salt]=x
acid=.01-x..........
werin we add x moles of hcl
m 2 bad in tis chap ......
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2 Answers
1357you have to apply the same method
but concentration you have taken is wrong
acid is x (HCl added)
here salt is 0.01-x (NaCN is salt)
