Science, asked by RajMalhotra, 1 year ago

how much quantity of magnesium oxide is formed when 0.25 gram of magnesium burns with 0.54 gram of oxygen

Answers

Answered by santy2
0
2Mg (s) + O2 (g) → 2MgO (s)
From this equation 2x24g of Mg produce 2(24 + 16) g of MgO
That is 48g of Mg produce 80g of MgO

∴ 0.25g of Mg will produce = (0.25x80)/48
                                               = 0.4167g of MgO.

Note: In this reaction oxygen is in excess.
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