pH
5:59
Added: 3 years ago
From: fisicaiquimica
Views: 9,338
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  • gracias por vuestro trqabajo.

    vart12345 1 year ago

  • una porquería el video, no hay explicación teória, sólo práctica, expliquen porque sucede esto, y no suban estos videos, hablen, expliquen, fundamenten

    wilsonf117 2 years ago

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