Balance the following chemical equations.
(b) NaOH + H 2 SO 4 → Na 2 SO 4 + H 2 O
Answer
- NaOH + H 2 SO 4 → Na 2 SO 4 + H 2 O
|
Name of the element |
No. of atoms in reactants |
No. of atoms in products |
|
Sodium |
1 |
2 |
|
Oxygen |
5 |
5 |
|
Hydrogen |
3 |
2 |
|
Sulphur |
1 |
1 |
To balance Sodium,
Multiply NaOH by 2
2 NaOH + H 2 SO 4 → Na 2 SO 4 + H 2 O
|
Name of the element |
No. of atoms in reactants |
No. of atoms in products |
|
Sodium |
2 |
2 |
|
Oxygen |
6 |
5 |
|
Hydrogen |
4 |
2 |
|
Sulphur |
1 |
1 |
To balance Hydrogen,
Multiply H 2 O by 2
2 NaOH + H 2 SO 4 → Na 2 SO 4 + 2 H 2 O
|
Name of the element |
No. of atoms in reactants |
No. of atoms in products |
|
Sodium |
2 |
2 |
|
Oxygen |
6 |
6 |
|
Hydrogen |
4 |
4 |
|
Sulphur |
1 |
1 |
Now, all the elements are balanced and the balanced equation is
2 NaOH + H 2 SO 4 → Na 2 SO 4 + 2 H 2 O
2 NaOH + H 2 SO 4 → Na 2 SO 4 + 2 H 2 O
