Смешали 100 г 15%-ного раствора нитрата кобальта и 400 г 20%-ного раствора той же соли. Массовая доля - id78018220210305 от DmitriyKefir 05.03.2021 01:00

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Другие предметы: Смешали 100 г 15%-ного раствора нитрата кобальта и 400 г 20%-ного раствора той же соли. Массовая доля нитрата кобальта в полученном

DmitriyKefir · Accepted Answer

At last holidays came! I was very happy!  I didn t have  to get up early in the morning and run to school. I could stay in the bed till midday. But I didn t want to sleep. There were a lot of things to do. The weather was fine so my friends and I went for a walk every day. It was fun! Then I spent a month in the country where my grandfather and grandmother lived. It was great. I drank milk and ate a lot of tasty food which my granny prepared for me. I have many friends in this village because I...

Смешали 100 г 15%-ного раствора нитрата кобальта и 400 г 20%-ного раствора той же соли. Массовая доля нитрата кобальта в полученном

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