Предмет: Химия, автор: TrueEnergy

Кусочек натрия полностью прореагировала с водой. на нейтрализацию полученного раствора израсходовали 42г. 15% раствора азотной кислоты. определите массу натрия, прореагировавшего с водой.

Ответы

Автор ответа: irishekova

0

Решение задачи на фото

Приложения:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: yessimdulat

3.2 Read the text and fill in the gaps with the missed words given in the table:

eat, watch, water, do, get, leave (2), go (5), take (2), is, to feed, play, have (3), read, prepare, tidy up, start, get up

I _____ my day early in the morning. I usually _____ at 7 a.m. and _____ things that everybody does at this time: washing, having a shower, doing exercises, having breakfast and working out for 30 minutes. Also I___ my things like a wallet, keys, backpack and a tablet, and ____ home at about 9 o’clock. I don’t have a car that’s why I ____ to the bus stop and wait for the bus. It ____ 50 minutes to get to my office by it.
My day at work ____ typical: phone calls, talking to people, answering emails, writing reports and discussing some important issues with my boss. So, you can imagine that I have my hands full.
During the day we ____ a break for lunch. I usually____ in the kitchen with co-workers. Sometimes we____ football, ping-pong and video games. Then___ back to work. I usually____ at 7:15 p.m. After leaving my office, I head to downtown where I____ dinner with my best friend in our favorite cafe. Then straight from the cafe, I_____ to the supermarket to buy some food and____ home.
While returning home in public transport I always_____ some interesting tales which I found on the web. I am at home at about half past nine. And the first thing that I have to do is____ my hungry cat. After that, I can change into more comfortable clothes and_____ supper. I always_____ a lot of housework to do in the evening, I_____ the flowers, ____ my flat and ____a shower. Sometimes I____ TV series, skype to my relatives and play hide-and-seek with my cat. At last, I_____ to bed at 12.
So, now you know how I spend my working day.

5 лет назад

Предмет: Физика, автор: jastgirl00

С высоты здания вертикально вниз бросили тело, которое упало на землю через 2 с и при падении имело скорость 35 м/с. Какова была начальная скорость тела?

5 лет назад

Предмет: Қазақ тiлi, автор: Аноним

Жанталас орысшасы қалай ,???????????????

5 лет назад

Предмет: Математика, автор: apple321123

Лифт поднимается с 1 на 3 этаж за 12 секунд.Сколько времени лифт будет подниматься с 1 на 9 этаж?

9 лет назад

Предмет: Математика, автор: skorpionsu

Найдите значение выражения: СРОЧНО !!!

а) 5007x(11 815:85-(4806-4715)
б) 6003x(24 396:-319+26)
в) 213 213:(403x36-14469)
г) 7866:38-16 146:78

9 лет назад