A sample of an oxide of vanadium weighing 4.589 g was reduced with hydrogen gas to form water and another oxide of vanadium weighing 3.782 g. The second oxide was reduced further with hydrogen gas until only 2.573 g of vanadium metal remained. Calculate the empirical formulas of the two oxides?   Write down balanced reaction equations for the two reduction reactions above. Calculate the total mass of water (in grams) that forms during the second reduction reaction.

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A sample of an oxide of vanadium weighing 4.589 g was reduced with hydrogen gas to form water and
another oxide of vanadium weighing 3.782 g. The second oxide was reduced further with hydrogen gas
until only 2.573 g of vanadium metal remained.

Calculate the empirical formulas of the
two oxides? 

 Write down
balanced reaction equations for the two reduction reactions above.

Calculate the
total mass of water (in grams) that forms during the second reduction reaction.

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