The three pie charts illustrate the preferred news sources among teenagers, young adults, and old people.

Overall, digital media is the primary choice for younger individuals, whereas older generations rely more heavily on traditional platforms like television.

Teenagers heavily favor online news sites, which account for 52% of their consumption. TV follows at 37%, while printed newspapers are the least popular at just 4%. Among young adults, the distribution is more even; TV leads at 35%, with online news (33%) and printed newspapers (26%) following closely.

In contrast, old people prefer television (42%) and printed newspapers (23%). Strikingly, online news sites account for a mere 6% for this group. Furthermore, "Others" sources are significantly higher for the elderly (29%) compared to the younger cohorts (6-7%). In summary, news consumption habits shift significantly from digital to traditional media as people age.

1L= 1000ML

VC2H5OH=40/100 . 1000=400ML

mC2H5OH=D.V=0,8.400=320G

nC2H5OH=m:M= 320:46=160/23 (MOL)

C6H12O6->2C2H5OH=2CO2

nC6H12O6= (160/23):2=80/23 (mol)

mC6H12O6= 80/23.180:45%=32000/23 XẤP XỈ 1391,3 G

Glu di chuyển về cực dương

Gly không di chuyển

Lys di chuyển về cực âm

H-COO-CH2-CH2-CH3: PROPYL FORMATE

H-COO-CH(CH3)-CH3: ISOPROPYL FORMATE

CH3-COO-CH2-CH3: ETHYL ACETATE

CH3-CH2-COO-CH3: METHYL PROPIONATE