2.01 of X is completely reacted with excess Y to form 6.62 of another compound .What is the empirical formula of the compound.[relative atomic mas of X =40.1,Y=46.0]
ans:XY2
2007-03-03 10:09:18 · 1 個解答 · 發問者 2003 2 in 科學 ➔ 化學
No. of mole of X=2.01/40.1=0.05 mol
No. of mole of Y=(6.62-2.01)/46.0=0.1 mol
Mole ratio of X:Y =1:2
Therefore, the empirical formula of the compound is XY2.
2007-03-03 10:48:46 · answer #1 · answered by man ti 1 · 0⤊ 0⤋