1.5 mol of `O_(2)` combines with Mg to form oxide MgO. The mass of Mg (at. Mass 24) that has combined is

Correct Answer - A
`underset("1 mole")(Mg)+underset("0.5 mole")(1/2 O_(2)) rarr MgO`
0.5 mole of oxygen react with 1 mole of Mg
1.5 mole of oxygen react with `1.5/0.5=3` mole
`24xx3=72 gm`.

1.5 mol of `O_(2)` combines with Mg to form oxide MgO. The mass of Mg (at. Mass 24) that has combined is

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