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Chemistry, 11.09.2019 02:20 rburd

if 3.5 g of element x reacts with 10.5 g of element y to form the compound xy.
what is the percent by mass of element x in the compound? the percent by mass
of element y?

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if 3.5 g of element x reacts with 10.5 g of element y to form the compound xy.
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