1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard IX
Chemistry
Mole Concept & Avogadro Number
What is the n...
Question
What is the number of moles of sodium hydroxide contained in
160
g of it?
[
N
a
=
23
,
O
=
16
,
H
=
1
]
Open in App
Solution
NaOH Sodium hydroxide
Gram molecular Mass=Mass of Na+Mass of O+Mass of H
=
23
+
16
+
1
=
40
g
Given mass=
160
g
No. of moles=
G
i
v
e
n
m
a
s
s
G
r
a
m
M
o
l
e
c
u
l
a
r
M
a
s
s
=
160
40
=
4
m
o
l
The moles of NaOH contained in
160
g
of it is
4
m
o
l
e
Suggest Corrections
0
Similar questions
Q.
The no. of moles of sodium hydroxide
[
N
a
O
H
]
contained in
160
g of it is:
(Molecular Weight
N
a
=
23
,
O
=
16
,
H
=
1
g/mole)
Q.
How many moles of sodium oxalate.
N
a
2
C
2
O
4
, are present in
6.7
g of this compound?
(Atomic weights:
C
=
12
,
O
=
16
,
N
a
=
23
g/mole)
Q.
What is the mass of
5
moles of sodium carbonate (
N
a
2
C
O
3
)?
(
N
a
=
23
u;
C
=
12
u;
O
=
16
u)
Q.
What weight of sodium contains the same number of atoms as those in
20
grams of oxygen?
(Given: Atomic weight of
N
a
=
23
u
,
O
=
16
u
)
Q.
Sodium bicarbonate breaks down on heating:
2
N
a
H
C
O
3
→
N
a
2
C
O
3
+
H
2
O
+
C
O
2
(Atomic mass of
N
a
=
23
,
C
=
12
,
H
=
1
,
O
=
16
)
i) How many moles of sodium bi carbonate are there in the equation?
ii) What is the mass of sodium bicarbonate used in this equation?
iii) How many moles of carbon dioxide are there in this equation?
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
CHEMISTRY
Watch in App
Explore more
Mole Concept & Avogadro Number
Standard IX Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app