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Sagot :
The equation is not balanced because the number of hydrogen atoms and oxygen atoms is not equal in the reactants and in the products.
Here's a step-by-step breakdown of how we determine this:
1. Number of Sodium (Na) Atoms:
- In the reactants: There are 2 Na atoms from 2 NaOH.
- In the products: There are 2 Na atoms from Na₂SO₄.
- Sodium atoms are balanced.
2. Number of Hydrogen (H) Atoms:
- In the reactants: There are 2 H atoms from NaOH and 2 H atoms from H₂SO₄, making a total of 4 H atoms.
- In the products: There are 2 H atoms from H₂O.
- Hydrogen atoms are not balanced.
3. Number of Oxygen (O) Atoms:
- In the reactants: There are 2 O atoms from NaOH and 4 O atoms from H₂SO₄, making a total of 6 O atoms.
- In the products: There are 4 O atoms from Na₂SO₄ and 1 O atom from H₂O, making a total of 5 O atoms.
- Oxygen atoms are not balanced.
4. Number of Sulfur (S) Atoms:
- In the reactants: There is 1 S atom from H₂SO₄.
- In the products: There is 1 S atom from Na₂SO₄.
- Sulfur atoms are balanced.
Since the number of hydrogen and oxygen atoms in the reactants and products are not equal, the equation is not balanced.
Here's a step-by-step breakdown of how we determine this:
1. Number of Sodium (Na) Atoms:
- In the reactants: There are 2 Na atoms from 2 NaOH.
- In the products: There are 2 Na atoms from Na₂SO₄.
- Sodium atoms are balanced.
2. Number of Hydrogen (H) Atoms:
- In the reactants: There are 2 H atoms from NaOH and 2 H atoms from H₂SO₄, making a total of 4 H atoms.
- In the products: There are 2 H atoms from H₂O.
- Hydrogen atoms are not balanced.
3. Number of Oxygen (O) Atoms:
- In the reactants: There are 2 O atoms from NaOH and 4 O atoms from H₂SO₄, making a total of 6 O atoms.
- In the products: There are 4 O atoms from Na₂SO₄ and 1 O atom from H₂O, making a total of 5 O atoms.
- Oxygen atoms are not balanced.
4. Number of Sulfur (S) Atoms:
- In the reactants: There is 1 S atom from H₂SO₄.
- In the products: There is 1 S atom from Na₂SO₄.
- Sulfur atoms are balanced.
Since the number of hydrogen and oxygen atoms in the reactants and products are not equal, the equation is not balanced.
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