Question

Tlng dong saling membantu :") soal liat pic dibwh ini . nmr 5-9 tlng ya:")

Answer 1

No 7. dik: v C3H8= 0.556 L
dit: v O2...???
mol C3H8= 0,566/22,4
=0.0248
mol O2= koef dit/koef dik × mol dik
= 5/1 × 0,0248
= 0,124 mol
v1/n1=v2/n2
v2=0,556×0,124/0,0248
=2,7 liter
maka volume O2 =2,7 liter..