user-avatar
nhattruong8996
2 năm trước
cho 8,322g hỗn hợp X( Na2O và BaO) vào nước dư thu dc dd Y, cô cạn Y dc 10,104g chất rắn khan. Xác định thành phần phần trăm khối lượng mỗi chất trong X
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

IV. Choose the best answer from A, B, C or D. Circle the letter to complete the passage.( 1pt) Do, did, developed. With, for, fast The Internet has increasingly (1)……….and become part of our everyday life.(2)……. you find the Internet useful? What do you use the Internet for? In my opinion, the Internet is a very (3).......... and convenient way for me to get information. I can also communicate (4).......... my friends and relatives by means of e-mail or chatting. However, I don't use the Internet very often because I don't have much time. For me, the Internet is a wonderful invention of modern life. It makes our world a small village. V. Read the passage below and answer the questions. (1 pt) One of the strongest earthquakes in this century happened in Anchorage, Alaska, on March 24th at about 6 o’clock in the evening. When the earthquake stroke that evening, many families were sitting down to eat dinner. People in the city suddenly found themselves in the dark because most of the lights in the city went out when the earthquake occurred. Many people died instantly when tall building collapsed and sent tons of brick and concrete crashing into the streets. When will the next earthquake occur? No one really knows for sure 1.Where did the strongest earthquake in this century happened? ………………………………………………………………………………………………… 2. When did it happen? ………………………………………………………………………………………………… 3. What were people doing when the earthquake happened? ………………………………………………………………………………………………… 4. Does anyone know about the next earthquake?

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