Question

KMnO4 + KNO2 + KOH → K2MnO4+ KNO3 + H2O

Answer 1

Ответ:

2KMnO4 + KNO2 + 2KOH → 2K2MnO4 + KNO3 + H2O

Объяснение:

Answer 2

The chemical equation you've provided appears to be unbalanced. Let's balance it:

The given equation is:

KMnO4 + KNO2 + KOH → K2MnO4 + KNO3 + H2O

First, let's write down the equation with the correct chemical formulas:

2KMnO4 + 2KNO2 + 2KOH → K2MnO4 + 2KNO3 + H2O

Now, let's balance the equation:

On the left side, we have 2 potassium atoms (K) from KMnO4, 2 from KNO2, and 2 from KOH. So, we have a total of 2 + 2 + 2 = 6 potassium atoms on the left side.

On the right side, we have 2 potassium atoms (K) from K2MnO4 and 2 from KNO3. So, we have a total of 2 + 2 = 4 potassium atoms on the right side.

To balance the potassium atoms, we need to multiply K2MnO4 on the right side by 3 to get 6 potassium atoms:

2KMnO4 + 2KNO2 + 2KOH → 3K2MnO4 + 2KNO3 + H2O

Now, let's balance the other elements:

Manganese (Mn) atoms: 2 on the left and 3 on the right. We can balance this by changing the coefficient of KMnO4 on the left to 3:

3KMnO4 + 2KNO2 + 2KOH → 3K2MnO4 + 2KNO3 + H2O

Now, let's balance the nitrogen (N) atoms:

Nitrogen (N) atoms: 2 on the left and 5 on the right. We can balance this by changing the coefficient of KNO3 on the right to 2:

3KMnO4 + 2KNO2 + 2KOH → 3K2MnO4 + 4KNO3 + H2O

Now, let's balance the oxygen (O) atoms:

Oxygen (O) atoms:

Left side: 12 from KMnO4, 2 from KNO2, and 2 from KOH for a total of 12 + 2 + 2 = 16 oxygen atoms.

Right side: 12 from K2MnO4, 12 from KNO3, and 1 from H2O for a total of 12 + 12 + 1 = 25 oxygen atoms.

To balance the oxygen atoms, we need to adjust the coefficient of H2O on the left side to 9:

3KMnO4 + 2KNO2 + 2KOH → 3K2MnO4 + 4KNO3 + 9H2O

Now, all the elements are balanced. The balanced equation is:

3KMnO4 + 2KNO2 + 2KOH → 3K2MnO4 + 4KNO3 + 9H2O