kacigwilt
kacigwilt
25-01-2015
Chemistry
Answered
how many moles are in 2.3 grams of phosphorus?
Answer :
ValyRemus
ValyRemus
25-01-2015
The Molecular Mass for Phosphorus is 31 grames / mole.
So, 31g. P.....................1 mole
2.3g. P ..........................x mole
[tex]x= \frac{2,3}{31} = \boxed {0,07} \hbox { moles }[/tex]
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TheTrueWis
TheTrueWis
25-01-2015
1.Molar mass of phos.=30.97g/mol
2.n=m/M
=2.3g/30.97g/mol
=0.07mol
3. therefore the amount of moles in 2.3g of phosphorus is 0.07mol
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