30 !

1. знайти v(cl) якщо кількість речовини 7 моль
2. знайти кількість речовини якщо m(feo)=300 грамм

I've got to get the to myself to be able to the sea carried me to the sea carried me to the shore and got off the ship work with his house with wild beasts and wil

Объяснение:

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