Определите, в какой порции вещества содержится больше атомов кислорода: а) в 1 моль О2 или в 1 моль озона O3;

2) Justin was in India.He didn't like to be there.
3).. was in Russia.He/she enjoyed this holiday.
4).. was in Spain.He/she was interested in nature of this country and liked the holiday very much.