Moles

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Karteikarten am Moles, erstellt von Aimey am 23/12/2014.
Aimey
Karteikarten von Aimey, aktualisiert more than 1 year ago
Aimey
Erstellt von Aimey vor etwa 10 Jahre
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Zusammenfassung der Ressource

Frage Antworten
Avogadro's number 6.02*10 ^ 23
Finding Mole of a substance mole = mass/M(r)
A(r) M(r)*%age abundance+M(r)*%age abundance / total
M(r) Add the total mass of elements in a compound
No. of Particles moles of Particles * Avogadro's constant
Moles of Atoms e.g: 1 mole: 3.5 atoms 4 moles: x atoms
No. of Atoms 10.5x6.02 x 10^23
Moles of electrons e.g: 1 SO2 : 32e 3.5 : x
No. of electrons 112 x 6.02x10^23
%age Composition %age composition = atoms of compounds x A(r) / M(r) of compound x100%
Emperical formula e.g: xenon : oxygen : flourine 131 : 16 : 19 0.075 : 0.075 : 0.3 1 : 1 : 4 = XeOF4
% yield = amount of product formed / maximum amount of product possible *100%
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