0.02 g of a monobasic acid requires 8.0 cm3 of 0.04 mole dm-3 sodium hydroxide. What is the relative molecular mass of the acid?
Explain carefully with solution
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Answer:
The correct option is D 122
Mass of organic Acid = 0.183 g
Volume of 0.1 N NaOH solution = 15 ml
Equivalent Mass of Acid
=
W
×
1000
N
1
V
1
=
0.183
×
1000
0.1
×
15
=
122
Molecular Mass of Acid = n
×
Equivalent Mass
=
1
×
122
=
122
[
∵
n=1 (Basicity)]
Explanation:
bhhýt
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