calculate the no of moles present in 6.3g of nitric acid
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One mole of any substance weighs about the same as the molecular mass of that substance. Hence, there are 0.602×1023 molecules of HNO3 present in a 6.3 gram sample of HNO3 . HNO3 has 1 hydrogen, 1 nitrogen and 3 oxygen atoms. Hence the atomicity of these elements in the given compound are 1, 1, 3 respectively.
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