A sample of a compound that contains only the elements C 1 H and N is burned completely in O 2 to produce 88.0g CO 2 ,45.0g H 2 O and 46.0g NO 2 What is the empirical formula of this compound ?

they serve to differentiate the kind.

the masculine is used for boys, but for an object or another
Exemple : UN garçon (a boy)- UN chat (masculin) (a cat) -UN pays (country)- UN ballon (balloon)
feminine for girls :
Exemple : UNE fille(a girl) - UNE chatte- UNE ville (a city)- UNE balle (a ball)