Массовая доля. Расчеты по химическим формулам. Задачи по химии.
Решаем задачи на нахождение массовой доли элемента в веществе. Общая химия.
4 weeks ago 00:22:50 1
5 months ago 00:10:32 0
7 months ago 00:06:55 0
7 months ago 00:37:02 0
7 months ago 00:17:04 1
7 months ago 00:08:20 0
7 months ago 00:16:37 1
7 months ago 00:15:40 0
7 months ago 00:18:15 0
7 months ago 00:08:24 2
7 months ago 00:11:47 0
7 months ago 00:35:01 0
7 months ago 00:00:55 0
7 months ago 00:12:48 1
7 months ago 00:04:34 10
7 months ago 01:20:49 0
7 months ago 00:10:07 1
7 months ago 00:25:35 0
8 months ago 03:11:52 2
8 months ago 00:17:32 0
8 months ago 00:00:30 0
8 months ago 00:04:54 0
8 months ago 00:00:34 0
8 months ago 00:38:42 1
