How many magnesiun atoms are in three moles of mg

Reference no: EM13186489

1) How many magnesiun atoms are in 3 moles of Mg3(PO4)2?

2) A substance, NxOy has the composition by mass 69.57% O. Calculate the molecular formula of this substance if its molecular mass is 92 grams.

3) A reaction that produces crude iron from iron ore is shown below:

Fe3O4+4CO-> 3Fe+4CO2

How many moles of iron could be produced from the reaction of 2.5 mol Fe3O4 and 3 mol of CO? Identify limiting reactant and determine how many moles of unreacted substance remained in the reaction.

Reference no: EM13186489

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