1. При взаимодействии двух солей нитрата серебра массой 250 г с массовой долей 12% и хлорида

1. При взаимодействии двух солей нитрата серебра массой 250 г с массовой долей 12% и хлорида калия массой 420 г с массовой долей 40% образовался осадок . Определите его массу. 2.. При взаимодействии двух солей карбоната натрия массой 150 г с массовой долей 17% и хлорида кальция массой 180 г с массовой долей 12% образовался осадок . Определите его массу.
- Предмет:
  Химия
- Автор:
  groverhubbard
- 6 лет назад

Ответы 1

1задача 28.6 г
2задача 20 г
- Автор:
  hugh
- 6 лет назад
- 0
Добавить свой ответ

Еще вопросы

Дорога між містами А і В спочатку йде під гору, а потім таку ж саму відстань – у гору. Мотоцикліст їде під
гору вдвічі швидше, ніж у гору. Коли він проїхав увесь шлях, то виявилось, що на перші 100 км шляху
витрачено в півтора рази менше часу, ніж на останні 100 км. Яка відстань між містами А і Б?
- Предмет:
  Математика
- Автор:
  shylazirw
- 6 лет назад
- Ответов:
  
  1
- Смотреть
Знайдіть різницю зробив 3/4 і 1/2
ПЛИС с меня 9 баллов
- Предмет:
  Математика
- Автор:
  guntherv4cm
- 6 лет назад
- Ответов:
  
  1
- Смотреть
пословицы и поговорки которые отражают менталитет белорусского народа
- Предмет:
  Обществознание
- Автор:
  buffalofa5q
- 6 лет назад
- Ответов:
  
  1
- Смотреть
Вставьте артикли, где необходимо
1. My cousin has . . big ...black... cat. My cousin's... cat has two kittens... cat likes... milk.... kittens like milk, too 2. We had.. English lesson yesterday. teacher asked me m questions.... questons were difficu t. 3. My aunt is .. teacher. She works at. school... . school is gcod. My tea aunt is not at... school now. She is at... home. She is drinking and eating jam.... jam is sweet. 4. I like your beautiful .flower. Give me flower, please 5. There is hotel over there. hotel isn't cheap 6. There is no bread on table. Where is .bread? little table in .., corner of... room Our .. TV set is on morning yesterday. sky was grey and weather was very bad in 8 it was raining. But in middle of... day. weather began to change rain stopped and .. sun appeared from behnd... clouds. In afternoon it was very warm. I did not want to stay at home and went into yard 9. I get up at six in .. morning and go to bed at quarter to eleven in.. evening 10., When do you leave... home for ..school?- leave .. home for school at.... half past... eight. brthday. He is planning to have nice 11. In August he has his party with his... friends 12. Today is... tenth of... June 13. There are three rooms and kitchen in our new flat. 14. What did you have for .. lunch at... school on Wednesday? - We ad salad and tea 5. What.. bus do you take to get to.. work? 16. Who cooks.. dinner in your family? 17. My. name is Charlie. I have two .. brothers and...sister. I am oldest and my sister is youngest, she plays... violin really well and wants to be... professional. musician 18. In... May.. days are longer than in April 19. Which is .. best season of the year? 20...Russia occupies... eastern half of.. Europe and. . northern third of Asia 21.. Red Sea is between Africa and.. Asia 22 I was at.. cinema yesterday. - What film did you see? - Oh, I saw very good film. I think it is.. best film of... year 23 tourists from different countries come to St Petersburg. They want to see one of most beautiful cities in .. world 24. What are your friends doing?- Mary is playing. piano. Tom and Nick are playing. chess 25. in . fifteenth century . people knew only three continents: ripe Eu Asia and . .Africa. They knew nothing about such big continent as ered... America was born in 1451 in.. Italy America. .. man who discove
- Предмет:
  Английский язык
- Автор:
  jeremiahkelly
- 6 лет назад
- Ответов:
  
  1
- Смотреть

Ответы 1

Топ пользователей