Hòa tan 3,24g KIM loại Al cần xg dung dịch HCL 7,3% A TÍNH vH2 sinh ra ở điều kiện tiêu chuẩn
b tính c% muối nhôm clorua trong dung dịch sau phản ứng

i think it's c. i'm not sure but i think so.

substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este