ionic
Question and approach both in img
Is my method correct ?
1. Leads to exact same answer as book and 2. Leads to a slightly different answer (probably cuz I took log value)
Basically I wanna know if my approach is correct cuz K is given for nh3 and in the formula it's K of bases , which in this case I assume is nh4oh???
9 Replies
@Dexter
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.Yeah I've done the entire derivations and all. Infact I was about to ask u whether it's fine to learn formulas or derive it everytime ( I know I'll probably forget them lol) got my answer now
Anyways , why can we use kb of nh3 here ??
cos NH4Cl me NH4+ will hydrolise and form NH4OH
the K of this eqn is Kw/Kb :)
that is where you get (14-pKb)/2 from in the derivation
yes exactly. kb of nh4oh nahi hona chahiye tha
same hai. NH3 kb is equivalent to NH4OH Kb
cos nh4oh is ammonia dissolved in water
ohhhh, makes sense. thanx
+solved @iTeachChem
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