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What error in the percentage magnesium determined would have resulted?
(If water had not been added to your initial product, a mixture of magnesium oxide and magnesium nitride.)
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- Steve OLv 71 decade agoFavorite Answer
MgO has
1 mol Mg @ 24.3 grams/mol
in MgO @ 40.3 g/mol
% Mg should be 60.3 % Mg
Mg3N2 has
3 mol Mg ...73.2 grams Mg
in Mg3N2 @ 100.95 g/mol
that's 72.5 % mg
which when mixed with MgO
gives you a higher % of Mg than you should have
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