Chemistry, 26.06.2021 22:10 dadonelson2109
3 – (UNIFESP-SP) Ferro metálico reage espontaneamente com íons Pb2+, em solução aquosa. Esta reação é representada por: Fe + Pb2+ → Fe2+ + Pb Na pilha representada pela figura Em que ocorre aquela reação global, a) os cátions devem migrar para o eletrodo de ferro. b) ocorre deposição de chumbo metálico sobre o eletrodo de ferro. c) ocorre diminuição da massa do eletrodo de ferro. d) os elétrons migram através da ponte salina do ferro para o chumbo. e) o eletrodo de chumbo atua como ânodo.
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3 – (UNIFESP-SP) Ferro metálico reage espontaneamente com íons Pb2+, em solução aquosa. Esta reação...
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