Answer:
C B A D
Explanation:
HCl is the correct answer
2
b= they are grouped differently, but all the atoms are still there.
1.2 x 10^10 mm^3 is equivalent to 12.0 m^3
There are 0.5 mole in 20g of argon.
40 g of argon = 1mole
Then 20g of argon is,
→ 1/40 × 20
→ 0.5 mole
