If compound xy how many grams of elementy would combine with 11 grams of x to form the same?
... compound2 grams of element x combine with 4 grams of elementy to form or:... compound2 grams of element x combine with 4 grams of elementy to fo
... compound2 grams of element x combine with 4 grams of elementy to form
or:... compound2 grams of element x combine with 4 grams of elementy to form
or:your inglish is unclear, but if you are saying a coumpond is made of 2x4y, then 11x would need 22y
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