Предмет: Химия, автор: onishchukolena18

Розв'яжіть задачу плііііз При дії надлишку хлоридної кислоти на суміш масою 15 г, що складається з натрій силікату та натрій карбонату, виділилось 2,24 л (н.у.) газу. Визначте масові частки солей у суміші.

Ответы

Автор ответа: Izzatillouz

Ответ:

натрій карбонату, 66.25%

натрій силікату33.75%

Объяснение:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: VselenskoeZloo

1 Complete the dialogues.

1 A: Does she like walking in the park?
B: Yes, she does.
2 A: live in Barcelona?
B: Yes, I …….. .
3 A: What …….. you ……..?
B: …….. a student.
4 A: …….. her mother like?
B: …….. kind and patient.

5 A: …….. Mary look like?
B: …….. beautiful. She's got green eyes and black hair.
6 A: …….. like meeting new people?
B: Yes, they …….. .
7 A: …….. like cleaning the house?
B: No, she …….. .
8 A: …….. live in the city centre?
B: No, they …….. .

1 год назад

Предмет: Английский язык, автор: likarsvetlana

открыть скобки
(to be) real walruses white?
This (to be) a toy walrus.
Real walruses (to be) grey.

1 год назад

Предмет: Английский язык, автор: AniaAnia1998

Раскройте скобки, ставя глаголы в соответствующем времени.
1.By the time the firemen (arrive), the house (be) ablaze from top to
bottom, but it (be) clear that if someone (give) the alarm earlier, they
might (stand) a chance of (save) the building.
2. I wish you (tell) me last week that you (come) to London. If I (know) in time, you not (have to) stay in a hotel.
3.Why you not (tell) me you (can) lend me the money? I not (need) (borrow) it form the bank. 4. The driver said he not (can) (undergo) thorough testing before (be) joined the competition. 5. It's time we (go). If we not (leave) now, we (miss) the last train.
6. (Be) you cut off while I (talk) to you just now? You (be)? I think something must (go) wrong with the telephone.
7.The manager (talk) to an important customer at the moment but he (be) free (see) you presently. (Like) you (take) a seat for a few minutes?
8.I know I ought (write) to you before, but I (be) so busy recently that I
not (have) time for (write) letters, I (telephone) you instead, but I
(forget) your number.
9. When I last (see) him, (live) in London. He (tell) me then that he (think) of (emigrate) to Australia, and he may well (do) so by now.
10. I (be) very excited at the prospect of (go) (ski). It (be) the first time I (try). I think there's nothing like (ski) for (make) a holiday enjoyable.
11. I wish you (let) me (know) you not (be able) to come to dinner. I certainly not (go) to all this trouble if I (know).
12. He said he not (want) (see) the firm as he (hear) that it (be) not as good as the critics (suggest).

1 год назад

Предмет: Литература, автор: durikussok

Как вы понимаете своими словами слова - Занятость и Безработица

8 лет назад

Предмет: История, автор: PadreRED21

помогите плиз пж плииииз

8 лет назад