Question

How many ions are formed when solid Na2SO4 dissolves? What are the ions formed? How many atoms are there in this compound? Draw it.

a) Two ions are formed: Na+ and SO4^2-. There are 7 atoms in the compound. (Draw the structural formula of Na2SO4)
b) Four ions are formed: Na+, Na+, S^2-, and O^2-. There are 6 atoms in the compound. (Draw the structural formula of Na2SO4)
c) Two ions are formed: Na+ and SO4^-. There are 3 atoms in the compound. (Draw the structural formula of Na2SO4)
d) Four ions are formed: Na+, Na+, S^-, and O^-. There are 4 atoms in the compound. (Draw the structural formula of Na2SO4)

Answer 1

When solid Na2SO4 dissolves, two ions are formed: Na+ and SO4^2-. The compound contains 7 atoms.

Step-by-step explanation:

When solid Na2SO4 dissolves, two ions are formed: Na+ and SO4^2-. In this compound, there are 7 atoms.

Here is the structural formula of Na2SO4: