steve8722 steve8722
  • 14-11-2018
  • Chemistry
contestada

what is the formula for Na+1 and SO3^-2

Respuesta :

znk
znk znk
  • 15-11-2018

Answer:

Na₂SO₃

Explanation:

We can use the criss-cross method to work out the formula.

1. Write the symbols of the anion and cation.

Na¹⁺  SO₃²⁻

2. Criss-cross the numbers of the charges to become the subscripts of the other ion (see image).

3. Write the formula with the new subscripts.

Na₂(SO₃)₁

4. Omit all subscripts that are 1.

The formula becomes Na₂SO₃.

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