Предмет: Химия, автор: Indi97

1.Четвертичный атом углерода соединен с четырьмя
а) атом углерода
б) атом водорода
в) углеводород радикал
г) функцианаьная группа

2.С РЕШЕНИЕМ все последующие задачи!.При горении 10г водорода образуется
а)10г воды
б)45г воды
в)90г воды
г)180г воды
4. Массовая доля углерода в соединении равна 12,63% водорода-3,16%, брома-84,21%, известно, что его плотность по водороду равна 47,5. Общая формула вещества
а)СН2Br2
б)С2Н2Br2
в)С2Н4Br2
г)СН3Br
5.Какая масса 70%-ного раствора муравьиной кислоты потребуется чтобы нейтрализовать 200грамм гидросида натрия
а)328,6г
б)246,45г
в)164,3г
г)82,15г

Ответы

Автор ответа: seqwertyuiopasdf
0
1.б
2 не знаю
3.в
4.а
5.ч не уверен
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