Question #148538
A strip of magnesium was burned according to the equation Mgist 1/202(g) → MgOis) and 40.0 kJ of heat was released to the surroundings. Calculate the mass of magnesium burned in the reaction.
1
Expert's answer
2020-12-03T14:06:12-0500

2Mg + O2 = 2MgO + 1204 kJ.

40 x 48/1204 = 1,59468439 g of Mg.


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