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A Lewis acid is an electron pair accept whereas a Lewis base is an electron pair donor. For a substance to act as a Lewis base, it must have a lone pair of electrons. For a substance to act as a Lewis acid, it must have space to accept a pair of electrons in its outer shell.
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What is the molecular formula of a compound, that its empirical formula is CH2 and n = 10.
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Calculate the number of moles of hydrogen that occupy 6dm3 at room temperature
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