Question

H3AsO3 +12 + H2O = HzAsO4 + 2HI
0.01 equivalent of the mentioned acid will neutralize how
many grams of NaOH ?
(A) 0.1
(B)0.3
(C) 0.2
D0.4...
Plz explain how the answer is 0.4
​

Answer 1

Explanation:

NaOH's molar weight is 40 and equivalent is 0.01.

Generally, equivalent=gram/molar weight

for NaOH,

0.01=gram/40

so, gram=0.01×40

gram=0.4