Вывести молекулярную формулу углеводорода по данным: массовая доля углерода – 65,7%, относительная плотность по воздуху Dвозд = 1,45.
Ответ:
07.06.2020 14:38
Dear ... Thanks for inviting. But, unfortunately , I can t go with you. I am ill. But when I will be better we can go to the cinema. Bue for now your ...
Thanks for inviting. But, unfortunately , I can t go with you. I am ill. But when I will be better we can go to the cinema.
Bue for now
your ...