Предмет: Химия, автор: валера218

относительная плотность углеводорода по водороду равна 36. массовая доля углерода в нем составляет 83,3%. определите молекулярную формулу этого углеводорода

Ответы

Автор ответа: PrincesPPK

w(H)=100-83.3=16.7
x:y=83.3/12 : 16,7 /1 = 7:16,7=1:2,38=4:10
С4Н10 - простейшая формула
М(СхНу)=36*2=72
М(СхНу)/М(С4Н10)=72/58=приблизительно 1
С4Н10 -истинная формула

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