2006-07-30 20:10:09 · 5 answers · asked by Sosela 1 in Science & Mathematics ➔ Chemistry
sodium Sulphur Oxygen
percentage 32.4 22.5 45.1
No of moles 1.408 0.703 2.819
Ratio 2 1 4
Therefore empirical formula: Na2SO4
2006-07-30 23:40:44 · answer #1 · answered by Iluvharrypotter_tonima 2 · 5⤊ 4⤋
Na2SO4
emphirical formula=ratio of moles= ratio of(%mass/relative atomic mass)
(32.4/23):(22.5/32):(45.1/16) = about 2:1:4
so the formula is Na2SO4
2006-07-30 20:37:30 · answer #2 · answered by arifin ceper 4 · 0⤊ 0⤋
Na2SO4
2006-07-30 22:02:55 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Na2SO4
2006-07-30 21:37:51 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Na2SO4.
2006-07-30 20:54:22 · answer #5 · answered by zee_prime 6 · 0⤊ 0⤋