Ответы на вопрос:
Mr(k2so3) = 39*2 + 32 + 16*3 = 158 w(k) = ar(k) *n / mr(k2so3) *100% = 39 * 2 / 158 *100% = 49% w(s) = ar(s) *n / mr(k2so3) *100% = 32 *1 / 158 *100% = 20% w(o) = ar(o) * n / mr(k2so3) *100% = 16*3 / 158 *100% = 31%
Популярно: Химия
-
Sold556112.06.2020 00:49
-
Владислава300018.04.2023 02:13
-
орион1214.05.2023 05:42
-
hhggg120.06.2022 14:19
-
allalal123.08.2022 14:16
-
slavinka1715.01.2021 12:36
-
curlyprettygirl04.10.2020 22:25
-
Hedulik19.04.2022 14:39
-
artur73116.05.2020 18:52
-
ldontknow120.04.2021 18:11