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Consulte Graatis
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Vandersy's Profile
Star Rating: [2 
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Member Since: Apr 08, 2014
Total # Questions Provided: 1
Total # Answers Provided: 0
]
Member Since: Apr 08, 2014
Total # Questions Provided: 1
Total # Answers Provided: 0
abr
8
2014
Como resolver esta questao pois nao consigo entender a materia
1 ) calcule o pH e a concentração de Ion oxalato, [C2O4²-] em uma solução 0,02 mol/l de acido oxalato ( H2C2O4). Considere Ka1 = 5,9 x 10-² e Ka = 6,4 x 10^-5. 2) Calcue a % de molecula de HF...
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