HARDMCQ SINGLEJEE Advanced ChemistryInorganic ChemistryMole conceptLaw of chemical combination, atomic & molecular mass, mole concept, calculations
On reduction with hydrogen, 3.6 g of an oxide of metal left 3.2 g of the metal. If the atomic weight of the metal is 64, the simplest formula of the oxide would be
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Explanation
This question uses atomic structure & atomic mass. Relate mass, moles and number of particles using the mole concept and basic stoichiometry; doing the algebra gives the value listed in option B.
Atomic structure & atomic mass
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