Which sample contains the largest number of atoms ?

Question

Which sample contains the largest number of atoms ? (A) 1 mg of C 4 H 10 (B) 1 mg of N 2 (C) 1 mg of Na (D) 1 mL of water

Tardigrade Admin · Accepted Answer

1 mg C 4 H 10=(14 N /58) × 10-3 atoms 1 mg N 2=(2 N × 10-3/28) atoms 1 mg Na =( N × 10-3/23) atoms 1 mL =1 g H 2 O =(3 N /18) atoms

Q. Which sample contains the largest number of atoms ?