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Member Since: Oct 04, 2012
Total # Questions Provided: 2
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5
2012
Titulação- gavimetria- química analítica
uma amostra cm 0,9092g de farinha de trigo foi analisada pelo método de kjeldah. a amonia formada foi destilada e coletada em 50,00 ml de HCl 0,05063 mol L-1. Caucular a porcentagem de proteina na farinha....
out
5
2012
Titulação- gavimetria sei que o resultado da 0,498
Quantos gramas de CO2 são liberados de uma amostra de 1,500 g que tem 38,0% de MgCO3 e 42,0% de K 2CO3 em massa? sei que o resultado da 0,498 mais não consigo fazer uma resolução, só sei que tem que...
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