Đáp án:
Giải thích các bước giải:
`m_{H_2SO_4}=500.9,5%=47,5(g)`
`n_{H_2SO_4}=(47,5)/98=95/196≈0,485(mol)`
mH2SO4=47,5 g
=> nH2SO4=47,5\98=0,48mol
Mọi ng làm giúp mình vs mình đang cần gấp
Sắp hết hè r, viết cali (hoặc kiểu j đó đẹp đẹp màu mè cx đc, highlight càng tốt) : Summer song
Cần gấp ạ :))) Một bếp ăn chuẩn bị số gạo cho 36 người ăn trong 50 ngày. Nhưng thực tế có 60 người ăn, hỏi số gạo đã chuẩn bị đủ dùng trong bao nhiêu ngày? (Mức ăn của mỗi người như nhau)
lm cho mik bài này gấp nhé nhanh,đúng sẽ đc tlhn nhé Cảm ơn trc
Calli:Chán NL:Ở nhà lâu quá lm j cũng chán
giúp em bài này với ạ ( hứa sẽ vote đủ )
mọi người làm giúp em gấp với ạ
VIII. Complete the second sentence so that it has a similar meaning to the first sentence, using the word in capital. 1. He said he wouldn’t have enough time to finish the job. (WILL) …………………..………. 2. When did your friends eat that chocolate cake? (WAS) …………………..………. 3. “What are the skills you concern most?” my teacher asked. (I) …………………..………. 4. I have never read such as interesting novel as The Little Prince. (MOST) …………………..………. 5. Finish your homework or you can’t go out with your friend. (IF) …………………..………. 6. They’re not sure how they should operate the new system. (TO) …………………..………. 7. It took me 4 hours to read the first chapter of the book. (SPENT) …………………..………. 8. Snowboarding is more dangerous than tennis. (AS) …………………..……….
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