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Understanding Chemical Formulas

Last updated over 7 years ago
31 questions
Note from the author:
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.
0

NaCl (use this space to show any work)

1

Na-

1

Cl-

1

Total number of atoms

0

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

1

Al-

1

H-

1

C-

1

O-

1

Total number of atoms

0

6H2SO4 (use this space to show any work)

1

H-

1

S-

1

O-

1

Total number of atoms

4Si(HCO3)4
1

Si-

1

H-

1

C-

1

O-

1

Total number of atoms

2HNO3
1

H-

1

N-

1

O-

1

Total number of atoms

KMnO4
1

K-

1

Mn-

1

O-

1

Total number of atoms

8K2SO4
1

K-

1

S-

1

O-