Предмет: Химия, автор: djulija274

Обчисліть і позначте масову частку Фосфору у барій ортофосфаті​

Ответы

Автор ответа: maria2417
1

Ответ:

Ba³(PO⁴)² — барій ортофосфат.

M(Ba³(PO⁴)²) =602г/моль

w(P)=31/602=0,05%

Відповідь: масова частка фосфору у Ba³(PO⁴)² дорівнює 0,05%

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: rgoczulyak

Change each sentence to reported speech. Use these verbs — want, order, advise, tell, ask.

"You should read that new Harry Potter book" said my sister.

"Get out of the car!" said the policeman to the two men.

Two tourisrts said to the tour guide: "Can you help us?"

"Susan, close the window, please" said the teacher.

"I want you to take me home" the little girl said to her father.

 
2 года назад
Предмет: Другие предметы, автор: Юлианния

Кто является главным героем Тремолино.?
2 года назад
Предмет: Английский язык, автор: popopo12

Упр. 160. Раскройте скобки, употребляя гла голы в Present Continuous или в Present Simple. I (to read) now. He (to sleep) now. We (to drink) tea now. They (to go) to school now. I (not to sleep) now. She (not to drink) coffee now. I (to read) every day. He (to sleep) every night. We (to drink) tea every morning. They (to go) to school every morning. I (not to sleep) in the daytime. She (not to drink) coffee after lunch. We (not to watch) TV now. They (not to eat) now. My mother (not to work) now. You (to work ) now? He (to play) now? They (to eat) now? Your sister (to rest) now? What you (to do) now? What you (to read) now? What they (to eat) now? What your brother (to drink) now? We (not to watch) TV in the morning. They (not to eat) at the lesson. My mother (not to work) at an office. You (to work) every day? He (to play) in the afternoon? They (to eat) at school? Your sister (to rest) after school? What you (to do) every morning? What you (to read) after dinner? What they (to eat) at breakfast? What your brother (to drink) in the evening?
2 года назад
Предмет: Литература, автор: Алфавишка333яхз
напишите сочинение о безопасносности на воде
9 лет назад
Предмет: Математика, автор: smartzhenya
раздели остаток шоколадки на 4 одинаковые по форме и размеру части картинкой,пожалуйста!
9 лет назад