A metal oxide has the formular `M_(2)O_(3)`. It can be reduced by hydrogen to give free metal and water 0.1596g of the metal oxi

A metal oxide has the formular `M_(2)O_(3)`. It can be reduced by hydrogen to give free metal and water 0.1596g of the metal oxide required 6 mg hydrogen for complete reduction. The atomic weight of the metal is:
A. 27.9
B. 159.6
C. 0.486gm
D. 55.80gm

A metal oxide has the formular `M_(2)O_(3)`. It can be reduced by hydrogen to give free metal and water 0.1596g of the metal oxide required 6 mg hydro

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