Question

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Answer 1

bivalent atom means M 2

equivalent weight= M= 20

M2=20×2=40

Oxide of this metal = MO

Molar mass of MO=40+16=56

I hope this helps ( ╹▽╹ )

Answer 2

Answer:

The equivalent mass of the metal is 12.

It means 12 grams of the metal combine with 8 grams of oxygen to give 20 grams (12g+8g=20g) of the oxide.

Hence, the equivalent mass of the metal oxide is 20.