12 Dahlias, 30 Tulips
12:30
12/2=6
30/6=5
12/6=2
=2:5
Answer:
Explanation:
mass % of C = 0.27/0.45*100 = 60%
mass % of H = 0.02/0.45*100 = 4.4%
mass % of O = 0.16/0.45*100 = 35.6%
Total = 60%+4.4%+ 35.6% = 100%
Answer:
secound one is the answer: Distillation
this may help you