sara1234
What are the formulas for Dinitrogen pentoxide, Alluminum sulfide, and iron 2 nitride



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VincentLyon.Fr
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Tip1 what do the suffixes 'di' and 'penta' mean?
Tip2 what is the oxide ion?

sara1234
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1.)What are the formulas for Dinitrogen pentoxide, Alluminum sulfide, and iron (II) nitride
2.)What is the molar mass of iron (II) nitride?

henpen
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Dinitrogen = has 2 nitrogens
pent=5

sara1234
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PLEASE someone help mee

henpen
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Nitrogen forms a 3+ ion
Oxygen forms 2 ion
How to make it balance to =0?

henpen
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The '2' In 'Iron 2' means it forms a 2+ ion.
Nitrogen form 3+

sara1234
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dinitroen pentoxide= N2O5
aluminum sulfide= AI2S3
Fe(NO3)3
is this rightt

henpen
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Yes

gabimurphy5
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ha, i was right!

sara1234
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how about question 2

henpen
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Both
dinitroen pentoxide= N2O5
aluminum sulfide= AI2S3
Are correct

henpen
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Sorry Nitrogen forms a 5+ ion

henpen
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dw:1352928359665:dw

sara1234
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is number 2 correct
molar mass=
55.85 g.mol 1

sara1234
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@henpen

henpen
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iron (II) nitride
Fe2 N3
2(55.8)+3(14.0)=153g/mol

henpen
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Add up atomic masses

sara1234
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153g/mol is answer to question 2?

sara1234
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and Fe N3 is for question 1?

sara1234
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isnt it 241.86 g/mol