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LarissaCarinee
@LarissaCarinee
January 2020
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Qual o volume ocupado por: a) 70g de N2 (g)?
B) 3 mols de 02 (g)?
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WillQuimica
Verified answer
A) Massa molar N2 = 14 x 2 => 28 g/mol
Então:
28 g -------------- 22,4 L ( nas CNTP)
70 g -------------- x
x = 70 * 22,4 / 28
x =
56 L
__________________________________
b)
1 mol O2 ---------------- 22,4 L
3 mols O2 --------------- x
x = 3 * 22,4 / 1
x =
67,2 L
_________________________________________
Att ...
1 votes
Thanks 1
WillQuimica
Disponha! =)
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Lista de comentários
Verified answer
A) Massa molar N2 = 14 x 2 => 28 g/molEntão:
28 g -------------- 22,4 L ( nas CNTP)
70 g -------------- x
x = 70 * 22,4 / 28
x = 56 L
__________________________________
b)
1 mol O2 ---------------- 22,4 L
3 mols O2 --------------- x
x = 3 * 22,4 / 1
x = 67,2 L
_________________________________________
Att ...