Balance the following chemical equations.

(b) NaOH + H 2 SO 4 → mãng cầu 2 SO 4 + H 2 O

Answer

NaOH + H 2 SO 4 → na 2 SO 4 + H 2 O


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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 → mãng cầu 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 & 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


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CA Maninder Singh is a Chartered Accountant for the past 12 years & a teacher from the past 16 years. He teaches Science, Accounts and English at randy-rhoads-online.com
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