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rafalopes's Profile
Star Rating: [3 
]
Member Since: Jun 16, 2015
Total # Questions Provided: 2
Total # Answers Provided: 0
]
Member Since: Jun 16, 2015
Total # Questions Provided: 2
Total # Answers Provided: 0
jun
16
2015
Equacoes quimica – afirmacao correta
Analise as equacoes abaixo: Zn²? (aq) ? 2 e? --> Zn(s) Cr(s) --> Cr³? (aq) ? 3 e? ___________________________________ Foram feitas as seguintes afirmaçoes: 1- a reacao do oxidacao ocorre...
jun
16
2015
Ingestao diaria aceitavel IDA – calculos
O limite maximo de ingestao diaria aceitavel (IDA) de acida fosforico, aditivo em alimentos e de 5 mg/kg de massa corporal. Calcule o volume de refrigerante, contendo acido fosforico na concentracao de...
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