Home
О нас
Products
Services
Регистрация
Войти
Поиск
принцесса103
@принцесса103
April 2022
1
14
Report
помогите решить срочно надо 12, 13
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
dimonsnake
Шею свернуть можно
1)
Me(OH)2 = 74
Me = 74-32-2=40
Это Ca
Кальций
2)
4Me + 3O2 = 2Me2O3
m(Me)=5.4
M(Me)=x
mol(Me)=5.4/x
V(O2)=3.36
Mol(O2)=3.36/22.4=0.15
Пропорция
(5.4/x)/4=0.15/3
5.4/x=0.2
x=5.4/0.2=27
Al
Алюминий
0 votes
Thanks 0
×
Report "помогите решить срочно надо 12, 13..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1)
Me(OH)2 = 74
Me = 74-32-2=40
Это Ca
Кальций
2)
4Me + 3O2 = 2Me2O3
m(Me)=5.4
M(Me)=x
mol(Me)=5.4/x
V(O2)=3.36
Mol(O2)=3.36/22.4=0.15
Пропорция
(5.4/x)/4=0.15/3
5.4/x=0.2
x=5.4/0.2=27
Al
Алюминий