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Byju's Answer
Standard X
Chemistry
Ideal Gas Equation
0.1 g of a so...
Question
0.1 g of a solution containing Na2CO3 and NaHCO3 requires 10 ml, of 0.01 N HCl.neutralization using phenophthalein .wt % of Na2C03 in solutions is:(a) 25 (b) 32 (c) 50 (d) None of thes
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Similar questions
Q.
50
m
L
of a solution of
N
a
2
C
O
3
and
N
a
H
C
O
3
requires
17.5
m
L
of
0.1
M
H
2
S
O
4
for neutralisation using phenolphthalein as indicator. Methyl orange is then added when further
25
m
L
of
0.2
M
H
2
S
O
4
was required. Calculate the weight of
N
a
2
C
O
3
and
N
a
H
C
O
3
respectively in the solution.
Q.
A solution contains
N
a
2
C
O
3
and
N
a
H
C
O
3
.
10
mL
of this solution required
2.5
mL
of
0.1
M
H
2
S
O
4
for neutralization using phenolphthalein as an indicator. Methyl orange is then added when a further
2.5
mL
of
0.2
M
H
2
S
O
4
was required. The amount of
N
a
2
C
O
3
and
N
a
H
C
O
3
respectively, in 1 litre of solution is:
Q.
A solution contains
N
a
2
C
O
3
and
N
a
H
C
O
3
,
10
m
L
of this solution required
2.5
m
L
of
0.1
M
H
2
S
O
4
for neutralisation using phenolphthalein indicator. Methyl orange is added after first end point, further titration required
2.5
m
L
of
0.2
M
H
2
S
O
4
. The amount of
N
a
2
C
O
3
and
N
a
H
C
O
3
in
1
litre of the solution is:
Q.
A solution contained
N
a
2
C
O
3
and
N
a
H
C
O
3
.
15
m
l
of the solution required
5
m
l
of
N
10
H
C
l
for neutralization using phenolphthalein as an indicator. Addition of methyl orange required a further
15
m
l
of the acid for neutralization. The amount of
N
a
2
C
O
3
present in the solution is:
Q.
Given two mixtures: (A)
N
a
O
H
and
N
a
2
C
O
3
and
(
B
)
N
a
H
C
O
3
and
N
a
2
C
O
3
.
100
mL of mixture (A) required
a
mL and
b
mL of
1
M
H
C
l
in separate titration using phenolphthalein and methyl orange indicators respectively while
100
mL of mixture (B) required
x
mL and
y
mL of same
H
C
l
solution is separate titration using the same indicators.
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