if 2 g element X combines with 7 g of element Y to form compound XY,.....?

how many grams of Y are needed to form compound XY2??????

2008-09-29T16:13:17Z

If you don't want to answer questions on yahooANSWERS than I would suggest putting your time other places magnetto, and stop wasting peoples time.

None2008-09-29T16:10:16Z

Favorite Answer

14 total. The law of constant proportions

00

Anonymous2008-09-29T16:10:14Z

i'm not helping you with your homework

01

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