An ionic compound contains 29.08% sodium, 40.56% sulphur and 30.36% oxygen by mass. What is the formular of the sulphur-containing anion in the compound?

An ionic compound contains 29.08% sodium, 40.56% sulphur and 30.36% ox

1.	An ionic compound contains 29.08% sodium, 40.56% sulphur and 30.36% oxygen by mass. What is the formular of the sulphur-containing anion in the compound?
Answer» `S_(2)O_(3)`^(2-) `S_(2)O_(4)^(2-)` `S_(2)O_(5)^(2-)` `S_(2)O_(6)^(2-)` Answer :A