The compound, X2O3, contains element X and oxygen combined in a ratio of 2.167 grams of X to 1.000 gram of oxygen. Another compound containing element X and oxygen gave a different analysis and properties-a 2.500 g sample of this second compound contains 1.300 grams of element X. This works out to a different ratio. What is the formula for the second compound? Hint: The mass of each X atom will be the same and this can be used to find molar ratios needed in the second compound.
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