Counting the number of atoms in a chemical formula

Calculate the individual and total number of atoms in each of the following chemical formulas.

Hint: Treat coefficients like the distributive property and subscripts like exponents.

1

0

NaCl (use this space to show any work)

2

1

Na-

3

1

Cl-

4

1

Total number of atoms

5

0

4Al(C2H3O2)3
(use this space to show any work)

6

1

Al-

7

1

H-

8

1

C-

9

1

O-

10

1

Total number of atoms

11

0

6H2SO4
(use this space to show any work)

12

1

H-

13

1

S-

14

1

O-

15

1

Total number of atoms

4Si(HCO_{3})_{4}

16

1

Si-

17

1

H-

18

1

C-

19

1

O-

20

1

Total number of atoms

2HNO_{3}

21

1

H-

22

1

N-

23

1

O-

24

1

Total number of atoms

KMnO_{4}

25

1

K-

26

1

Mn-

27

1

O-

28

1

Total number of atoms

8K_{2}SO_{4}

29

1

K-

30

1

S-

31

1

O-

Add to my formatives list

Formative uses cookies to allow us to better understand how the site is used. By continuing to use this site, you consent to the Terms of Service and Privacy Policy.