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Answer to Question #140804 in General Chemistry for Jayden
Question #140804
Calculate the mass of magnesium oxide formed by burning 12g of magnesium in excess oxygen.
Expert's answer
2Mg + O2 --> 2MgO;
Proportion:
12:48=x:80 ;
x=12*80/48= 20;
Answer: m(MgO)=20 g
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