mildredelizam
18.09.2019 •
Chemistry
4,5пайыз қоспасы бар массасы 1,8г техникалық алюминий артық мөлшердегі натрий сілтісімен әрекеттескен. осы реакция нәтижесінде бөлінетін сутектің көлемі
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