Question

Calculati masa moleculara , molul si kilomolul:
a) CH₄-METAN
M =.......
CH₄
1 MOL =....
1 KMOL =.....
b)CO₂-DIOXID DE CARBON
M =......
CO₂
1 MOL=...
1 KMOL=...
c) C₆H₆-BENZEN
M =.......
C₆H₆
1 MOL=....
1 KMOL =.....
VA ROOOOG AM NEVOIE URGENT !!!

Answer 1

M CH4=12+4=16 g/mol
M CO2=12+32=44 g/mol
M C6H6=12*6 + 6= 72+6= 78 g/mol

Answer 2

M(CH4)=16g/mol=A(C)+4•A(H)
1mol=16g
1kmol=16kg

M(CO2)=44g/mol=A(C)+2•A(O)
1mol=44g
1kmol=44kg

M(C6H6)=78g/mol=6•A(C)+6•A(H)
1mol=78g
1kmol=78kg