Mg3N2 +3H2O -> 3MgO+2NH3   Weight of empty crucible and cover :   23.480 g Weight of crucible, cover, MgO and Mg3N2 :   24.208 g Weight of crucible, cover, MgOand addition of H2O and heat :   24.211 g   Calculate the change in mass. Calculate the number of moles of Mg3N2.   Calculate the number of grams of Mg3N2.   Calculate the weight % of Mg3N2.

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Mg3N2 +3H2O -> 3MgO+2NH3

 

Weight of empty crucible and cover :   23.480 g

Weight of crucible, cover, MgO and Mg3N2 :   24.208 g

Weight of crucible, cover, MgOand addition of H2O and heat :   24.211 g

 

Calculate the change in mass.


Calculate the number of moles of Mg3N2.

 

Calculate the number of grams of Mg3N2.

 

Calculate the weight % of Mg3N2.

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