Cho m gam hỗn hợp X gồm CH₃OH, C₂H₄(OH)₂, CH₂=CH-CH₂OH, CH₃CH₂OH, C₃H₅(OH)₃ tác dụng với lượng vừa đủ Na thu được 2,016 lít H₂ (đktc). Mặt khác, đốt cháy hoàn toàn m gam X cần 12,32 lít O₂ (đktc), thu được CO₂ và 8,64 gam H₂O. Giá trị của m là

A. 6,39

B. 7,04

C. 7,20

D. 8,64

This is the most expensive apartment in the town.

My bike is old now.I need a better one

There are four people in my family.My sister is the shortest

Where does he work? He work in one of the most comfortable hospital in the city

I will buy a larger flat because my father will come to live with me

The exercise is the easiest in the book

Which of those two gardens is more beautiful

Da Nang is busier than Da Lat

Tom has more books than his brother

Nam run fast but Ba run faster

He spends less time playing tennis than her

Chúc bn học tốt nhưng mk ko có kiêu căng đâu vì ko biết bn thế nào nhưng mk mới học lớp 5 thôi đó !!!

useful nha A đúng rùi đó!!!

=> Our house is not near the school

Chúc bn hoc giỏi

Hotaru ( anime)

You can be king again ( anime)

Những bài hát của Vocaloid (anime)

Best friend ( anime)

Love is a beautiful pain ( anime)...... vô vàn và vô vàn

Chau, Chi and Ngoan are my friends. We are all love cooking

1. My mother's favourite drink is lemonade

2. Is there a TV set in your room?

3. My sister goes to school on foot every morning

Anna spend most of her time studying in the library