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OpenStudy (anonymous):
how many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen? this is the formula for the reaction: 2Mg+O2 -> 2MgO
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OpenStudy (anonymous):
i need help
OpenStudy (pottersheep):
The ratio of magnesium oxide (mgO) to magnesium (Mg) is 2:1
OpenStudy (pottersheep):
sorry, i meant Mg to MgO is 2:2 which is 1:1
OpenStudy (pottersheep):
so if you used 4 moles of Mg, then the ratio is one to one, so you also produce 1 mole of MgO
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