Copper(ii) nitrate forms a series of hydrates with the formula cu(no3)2.xh2o. these hydrates decompose to form copper(ii) oxide. 1 mole of cu(no3)2.xh2o forms 1 mole of cuo. - what is meant by 1 mole of a substance?

One mole is defined as the amount of substance containing as many elementary entities (atoms, molecules, ions, electrons, radicals, etc.) as there are atoms in 12 grams of carbon-12 (6.023 x 1023). The mass of one mole of a substance equals its relative molecular mass expressed in grams. Also spelled as mol.

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