The number of moles present in 6 gms of carbon is:
A
2
B
0.5
C
5
D
1
Answer:
The correct option is B. 0.5
Note
The molar mass of
12C is 12.0 gmol-1.
NA (Avogadros number = 6.022 × 1023)
12C atoms have a mass of 12.0 g.
Given that: – 6.0 g.
Thus (6.0 g)/ (12.0 gmol-1) = 0.50 mol.