user-avatar
ngochuongptt
2 năm trước
Cho 200 ml dung dịch CuCl2 0,15M với dung dịch NaOH vừa đủ, sau phản ứng lọc kết tủa, nung đến khối lượng không đổi thu được m gam chất rắn. a, viết phương trình phản ứng b,tính m c,tính cm
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

My name's Lan. My best friend is Mi. She's 12 years old, like me! She has brown hair and brown eyes. Her favourite colour is blue. That's my favourite colour, too. She likes roller skating and cycling in summer. She has a dog called Tuti. I think that's a funny name! Mi is really nice. She is very funny. She makes me laugh a lot. She tells good jokes. Mi helps me in my lessons because sometimes I don't understand everything. We meet after school and do our homework together. We have a lot of fun. She's a good friend. She's always there for me. She understands my feelings and she cheers me up when I'm sad. 1. What is the passage about? ______________________________________ 2. What is Lan's favourite colour? _____________________________________ 3. Why does Lan say Mi is funny? ______________________________________ 4. Why does Mi help Lan in the lessons? ______________________________________ 5. What does Mi do when Lan is sad? _____________________________________

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team