Lưu Thanh Hoài
Cấp bậc
Sắt đoàn
Điểm
30
Cảm ơn
6
Đã hỏi
Đã trả lời
Câu trả lời của bạn: 11:41 05/11/2021
X lk vs 2 nguyên tử O format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22math114319d9cfc6123106878dc20b9%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2210.5%22%20y%3D%2216%22%3E%26%23x21D2%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
CT là XO2
Ta có : XO2format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22math167c6a1e7ce56d3d6fa748ab6d9%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%225.5%22%20y%3D%2216%22%3E%2F%3C%2Ftext%3E%3C%2Fsvg%3E)
O2 format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22math17f39f8317fbdb1988ef4c628eb%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%228.5%22%20y%3D%2216%22%3E%3D%3C%2Ftext%3E%3C%2Fsvg%3E)
2 X 32 ( S )
Câu trả lời của bạn: 11:34 05/11/2021
.
Câu trả lời của bạn: 23:57 04/11/2021
mk hơi lười nhắn nên mk ghi mong đc tym
Câu trả lời của bạn: 23:41 04/11/2021
Fe
Câu trả lời của bạn: 23:37 04/11/2021
ta có mol naoh2 0,3
2naoh2 format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22math117e62166fc8586dfa4d1bc0e17%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%226.5%22%20y%3D%2216%22%3E%2B%3C%2Ftext%3E%3C%2Fsvg%3E)
h2so4 format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22math12bba9f4124283edd644799e0ce%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2210.5%22%20y%3D%2216%22%3E%26%23x2192%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
na2so4 2h2o
0,3 0,15
n mC100Mm 147g
