Which one of the following statements is false for 0.5mol C2H6? (C=12, H=1 and take Avogadro number =6×1023
molar mass of C2H6 =2.(12) + 6.(1)=30g/mol , 1mol C2H6 is 30g/mol 0.5mol C2H6 is=15 g/mol A is true
1mol C2H6 includes 6×1023
C2H6 molecule, 0.5mol C2H6 includes C2H6 molecules = 3×1023 C2H6 molecules B is true
1mol C2H6 includes 2mol C atoms 0.5mol C2H6 include?mol C atoms, =1mol C atom, C is true
1mol C2H6 includes 8NA atoms 0.5mol C2H6 includes = 4NA atoms, D is false.