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Member Since: Apr 23, 2013
Total # Questions Provided: 2
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abr
23
2013
Quantos átomos de hidrogênio há em 6,02 x 10^20 moléculas de CH4?
Estou querendo saber essa pergunta porque não achei a resposta da pergunta em nenhum outro lugar e meu professor não conseguiu tirar minha dúvida sobre essa pergunta e acho que vocês poderiam me ajudar....
abr
23
2013
Quantos átomos de oxigênio há em 0,2 mol de SO3?
Estou fazendo essa pergunta, porque estou com muita dificuldade nesse conteúdo e já procurei em vários livros, mas eles não estão me ajudando a tirar minhas dúvidas. Preciso de ajuda.E achando a...
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