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Какую массу 20% гидроксида натрия(NaOH) надо взять для поглащения 5,6 литра оксида серы 4(SO2)
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Предмет:
Химия -
Автор:
aidanrivera - 6 лет назад
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Ответы 2
Еще вопросы
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а) Сравните 20% от 60 и 30 % от 40
Сравните 45% от 50 и 56% от 60
б) Сколько процентов составляет 45 от 90 ?
Сколько процентов составляет 18 от 45 ?
в) Найдите число 17% которого равны 68 ?
Найдите число 23% которого равны 207 ?-
Предмет:
Математика -
Автор:
jennyantw - 6 лет назад
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Ответов:
2 -
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Выберите правильный вариант
1.I would (have brought/bring) the book, but you did not tell me you needed it. 2. It would (be/have been) wise of you to consult a dentist twice a year. 3. I think nobody would (object/have objected) to having a party tomorrow. 4. I did not know that it was so important for you. I would (do/have done) it long ago. 5. In your place I wouldn't (argue/have argued)
with her yesterday. She is your boss. 6. Last year he wouldn't (say/have said) so of John. 7. I wouldn't (worry/have worried) about it now. Everything will clear up soon. 8. We would (stay/have stayed) for an hour, but it is rather late. 9. We did not know that we would come to the lake. We would (take/ have taken) our rods. 10. I would (go/have gone) to sea, but my father wanted me to be a lawyer.-
Предмет:
Английский язык -
Автор:
pierrewalls - 6 лет назад
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Ответов:
1 -
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