30.9 г смеси этана и бутена-1 пропустили через бромную воду. При этом объем смеси уменьшился на 3,36 л. Определите мольное соотношение газов в исходной смеси​

their machines work better than his machines. her holiday expenses are larger than my holiday expenses. the parking space in my region is more expensive than in his region.

1)in,2)in,)from5)in,6)in

пропущена буква j слово jam

my school day is started in 8.30.i have five or six lessons a day.i go to school six day a week.my favouirite subject is english,but i like all  subject.i have five english lessons a week.i have five russian lessons a week.i have one art lesson a week.i have   one lesson a week of music.i study well.all my classmates are my friend.i like my