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11-04-2022
Chemistry

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How many moles of MgO are produced when 7. 2 moles of O2 react with excess Mg

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11-04-2022

2Mg + O² => 2MgO

according to stoichiometry:

[tex] \frac{no {}^{2} }{1} = \frac{nmgo}{2} [/tex]

[tex]nmgo = no {}^{2} \times 2 = 7.2 \times 2 = 14.4[/tex]

Note that n stands for the number of moles.

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