Question

determine the total number of atoms present in the molecules below......
1) CO₂
2) 2C₁₂H₂₂O₁₁
3) 5H₂O
4) 3NaCl
5) 7NH₃
6) ZnCl₂

Answer 1

Answer:

1. 3
2. 90
3. 15
4. 6
5. 28
6. 3

Explanation:

1. 1 + 2=3
2. 2(12+22+11)=2(45)=90
3. 5(2+1)=5(3)=15
4. 3(1+1)=3(2)=6
5. 7(1+3)=7(4)=28
6. 1+2=3

Answer 2

Answer:

these are the no. of atoms in one molecule

Explanation:

1) 3 atoms

2)90 atoms

3) 15 atoms

4) 6 atoms

5) 28 atoms

6) 3 atoms