17) In the reaction 2NaOH+H3PO4=Na2 HPO4 + 2H20, the Equivalent weight of the acid is
1) 49
2) 98
3) 32.6
4) 36.5
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answer is a)49
equivalent weight=molecular weight/basicity=98/2=49
hope this helps u.
akshaya1193:
nice
any doubts
the answer in my book is 49 !!
oo i got it
H3PO4 is going to NA2HPO4
so only 2 H are gone from it
o we will divide it by 2 and not by 3 !!
and we will get 49
oh sorry
np
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