Красота химии
Образование нерастворимого осадка в водном растворе хлористого бария при добавлении серной кислоты.
8 months ago 00:00:59 1
7 years ago 00:02:16 27
9 years ago 00:02:35 496
8 years ago 00:29:55 15
10 years ago 00:01:29 128
6 years ago 01:29:03 1
10 years ago 01:31:59 32
11 years ago 00:01:14 143
6 years ago 00:03:28 23
11 years ago 00:06:48 163
5 years ago 00:06:01 895
6 years ago 00:00:59 1
5 years ago 00:17:13 2
3 years ago 00:04:51 25
4 years ago 00:58:11 1
4 years ago 00:12:46 2
4 years ago 00:03:03 15
4 years ago 00:08:14 6
4 years ago 00:00:57 74
11 years ago 00:01:50 20
1 year ago 00:04:15 1
5 years ago 00:49:59 1
5 years ago 00:07:12 11
3 years ago 00:04:24 18
