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Растворение оксида фосфора (V) в воде
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04/06/20
Растворение оксида фосфора (V) в воде. Опыт по химии. 8 класс
Оксиды — это сложные вещества, состоящие из двух элементов, одним из которых является кислород.
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15 Views · 01/04/21
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