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An oxide of phosphorus contains 56.4% phosphorus and 43.6% oxygen. it's relative molecular mass is 220. find both the empirical and the molecular formula of the oxide'
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Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge
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Modern weaponry has increased the number of deaths in wars and violent conflicts.
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Which metal exist in liquid state and can be cut with knife ?
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An oxide of phosphorus contains 56.4% phosphorus and 43.6% oxygen. it's relative molecular mass is 2...
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