Определите водородный показатель среды и концентрацию [OH-] 0,8М раствора HCl.. Created by Neznaika532. himiya-ru

Ответ: 13,9; 1,259*10⁻¹⁴Дано:См(HCl) = 0,8М = 8*10⁻¹ моль/лрН - ?[OH] - ? Объяснение:pH = -ln(8*10⁻¹) = 0,097≈0,1pOH = 14 - 0,1 = 13,9{OH] = 10⁻¹³°⁹ = 1,259*10⁻¹⁴Новые вопросы в ХимияЯкі основні рушійні сили розвитку хімічних знань можна виділити?Сколько тепла будет выделено при сгорания 45 кг каменного угля и 20 л. бензина? (Помоги)Виберіть речовину, з якою взаємодіє калій хлорид:a) натрій нітрат;б) силіцій (IV) оксид;в) аргентум (I) нітрат;г) барій сульфат.Укажіть формулу речовини, у якій Хлор може виявляти лише відновні властивості у хімічних реакціях.А) Cl2Б) NaClВ) KClO3Г) HClOВ отличие от уксусной кислоты в молекуле аминоэтановой кислоты содержит группа:А) — COOHБ) — NO2В) — NH2Г) — OHСтепень окисления углерода в CaCO3 1)+2.2)+4.3)-2.4)-4.Пж помогите!!!7. На повне відновлення міді з купрум(II) оксиду витрачено 3,5 моль водню (н.у.). Яка маса міді утворилася?Завдання. Напишіть рiвняння реакцiй мiж такими речовинами: 1) сульфатною кислотою й купрум(II) оксидом; 2) нітратною кислотою й ферум(III) оксидом. Ві…дповідь 3 дивіться наприкінці параграфа.Завдання. Напишіть рiвняння реакцiй мiж такими речовинами: 1) сульфатною кислотою й купрум(II) оксидом;как и из чего делают фотополимерную смолу? Очень надоПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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