1.15 g of a metallic element reacts with 300 cm3 of oxygen at 298 K and 1 atm pressure, to form. an oxide which contains O2– ions. What could be the identity of the metal? A calcium. B magnesium. C potassium.

1.15 g of a metallic element reacts with 300 cm3 of oxygen at 298 K and 1 atm pressure, to form. an oxide which contains O2– ions. What could be the identity of the metal? A calcium. B magnesium. C potassium. D sodium

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1.15 g of a metallic element reacts with 300 cm3 of oxygen at 298 K and 1 atm pressure, to form. an oxide which contains O2– ions. What could be the identity of the metal? A cal…

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