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ПОМОГИТЕ ПОЖАЛУЙСТА С ХИМИЕЙ… Задание: Сколько г нитрит-ионов содержится в 700 мл 0,15 М раствора азотистой кислоты? Заранее спасибо большое!
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ответ по ссылке: https://hti.urfu.ru/fileadmin/user_upload/site_15078/Kafedry/Analitiki/KHimicheskie_i_FKHAM._Sbornik_zadach.pdf
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Автор:
Fedoseewa27 - 1 год назад
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fred70 - 2 года назад
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30. Расставьте скобки и математические знаки так, чтобы равенство было верным:9999999 = 100 A. (99-9):9 + (99:9) = 100 B. (99+9)-9 + (99-9) = 100 C. 99-9:9 +(99:9) = 100 D. (99-9):9 +(99-9) = 100
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marge - 2 года назад
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ПОЖАЛУЙСТА ПОМОГИТЕ С ХИМИЕЙ… Нужно вычислить растворимость (моль/л) роданида серебра. Заранее спасибо большое!
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ПОЖАЛУЙСТА ПОМОГИТЕ С ХИМИЕЙ… Выпадет ли осадок при сливании равных объемов 10-4М нитрата висмута(III) и 10-5М иодида калия? Заранее спасибо большое!
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