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Standard XII
Chemistry
Van't Hoff Factor
1.84g of a mi...
Question
1.84g of a mixture of CaCO_{3 }and MgCO_3 is strongly heated till no further loss in mass takes place. The residue is found to weigh 0.96g. Calculate the percentage of each component in the mixture
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Q.
A mixture of calcium and magnesium carbonates weighing 1.4 g was strongly heated until no further loss of weight was perceived. The residue weighed 0.76 g. What percentage of
M
g
C
O
3
was present in the mixture?
Q.
1.84 g of a mixture of
C
a
C
O
3
and
M
g
C
O
3
was heated to a constant weight. The constant weight of the residue was found to be 0.96 g. calculate the percentage composition of the mixture..
(
C
a
=
40
,
M
g
=
24
,
C
=
12
,
O
=
16
)
Q.
18.4g mixture of
C
a
C
O
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and
M
g
C
O
3
, on strongly heating gives 8.8g of
C
O
2
gas. Calculate mole percentage of
M
g
C
O
3
in the mixture.
Q.
92 g mixture of
C
a
C
O
3
and
M
g
C
O
3
heated strongly in an open vessel. After complete decomposition of the carbonates it was found that the weight of residue left behind is 48 g. Find the mass of
M
g
C
O
3
in grams in the mixture.
Q.
Mixture containing one mole each of
C
a
C
O
3
and
C
a
(
H
C
O
3
)
2
is strongly heated. The amount of residue left in moles is :
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