1.

1.5 moles of O_(2) combines with Mg to form MgO. The mass of Mg that has combined is (Mg= 24)

Answer»

48g
24g
72g
36g

Solution :`2MG + O_(2) rarr 2MgO`
48gm 1mole
1 mole of `O_(2)` COMBINES with = 48g Mg
`rArr 1.5` mole `O_(2)` combines with = 72 GM Mg.


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