3. Vanillin is the main component of vanilla flavorings. It percentage compositi

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3. Vanillin is the main component of vanilla flavorings. It percentage composition is 63.2% carbon, 5.26% hydrogen, and 31.6% oxygen. What is its empirical formula? The empirical formula of p-xylene is C4Hs; the molar mass of p-xylene is 106g/mole. What is the molecular formula for p-xylene? What is the total number of atoms present in a 20.00g sample of this substance? The plastic pipe used for most of the water and sewer lines is made of a polymer called PVC. The compound used to synthesize PVC has a general formula CxHyE This substance is composed of 38.4% C and 4.8% H. What is the identity of element E? What is the empirical formula of this compound? 4. 5.

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3. Vanillin is the main component of vanilla flavorings. It percentage compositi

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