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Equivalent mass and n-factor for acids, bases and salts
NEET level
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Difficulty 1 of 3
eq002
The equivalent mass of
Ca
(
OH
)
X
2
(molar mass
74
g
mo
l
−
1
) when it is completely neutralised by
HCl
is:
A
37
B
74
C
18.5
D
148
Answer: A
Ca
(
OH
)
X
2
furnishes two
OH
X
−
per formula unit, so
n
=
2
. Equivalent mass
=
74/2
=
37
.
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