La trecerea curentului electric prin apa acidulata, are loc reactia de descompunere a acesteia :
...H2O→H2↑+ O2↑
a)Scrie coeficientii stoechiometrici ai ecuatiei reactiei de descompunere a a apei.
b) Calculeaza volumul gazelor rezultate la descompunerea a 540 g de apa. Volumele sunt masurate in conditii normale de temperatura si presiune
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La trecerea curentului electric prin apa acidulata, are loc reactia de descompunere a acesteia :
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