More Mixed Naming Fun

More Mixed Naming Fun! Name these compounds. They may be either ionic or covalent. 1) LiOH ______

2) PBr3 ______

3) Na2SO4 ______

4) (NH4)2S ______

5) CaCO3 ______

6) CF4 ______

7) NaNO3 ______

8) P2S3 ______

9) Al(NO3)3 ______

10) Mg(OH)2 ______

Write the formulas for the following compounds. Remember, they may be either ionic or covalent compounds, so make sure you use the right method! 11) potassium oxide ______

12) phosphorus tribromide ______

13) calcium hydroxide ______

14) dinitrogen sulfide ______

15) carbon monoxide ______

16) diboron tetrahydride ______

17) phosphorus pentabromide ______

18) sulfur dichloride ______

19) sodium carbonate ______

20) aluminum acetate ______More Mixed Naming Fun! - Answers Name these compounds. They may be either ionic or covalent. 1) LiOH lithium hydroxide

2) PBr3 phosphorus tribromide

3) Na2SO4 sodium sulfate

4) (NH4)2S ammonium sulfide

5) CaCO3 calcium carbonate

6) CF4 carbon tetrafluoride

7) NaNO3 sodium nitrate

8) P2S3 diphosphorus trisulfide

9) Al(NO3)3 aluminum nitrate

10) Mg(OH)2 magnesium hydroxide

Write the formulas for the following compounds. Remember, they may be either ionic or covalent compounds, so make sure you use the right method!

11) potassium oxide K2O

12) phosphorus tribromide PBr3

13) calcium hydroxide Ca(OH)2

14) dinitrogen sulfide N2S

15) carbon monoxide CO

16) diboron tetrahydride B2H4

17) phosphorus pentabromide PBr5

18) sulfur dichloride SCl2

19) sodium carbonate Na2CO3

20) aluminum acetate Al(C2H3O2)3

Percentage Composition Worksheet Give the % composition of all elements in these compounds. Show all work! ______

1) ammonium sulfite % N ______

% H ______

% S ______

% O ______

______

2) aluminum acetate % Al ______

% C ______

% H ______

% O ______

______

3) sodium bromide % Na ______

% Br ______

______

4) copper (II) hydroxide % Cu ______

% O ______

% H ______

______

5) magnesium carbonate % Mg ______

% C ______

% O ______

______6) iron (II) phosphate % Fe ______

% P ______

% O ______

______

7) beryllium nitride % Be ______

% N ______

______

8) potassium cyanide % K ______

% C ______

% N ______

______

9) manganese (III) nitrate % Mn ______

% N ______

% O ______

______

10) lithium phosphide % Li ______

% P ______

______

11) nickel (III) sulfate % Ni ______

% S ______

% O ______

______Percentage Composition Worksheet – Answer Key Give the % composition of all elements in these compounds. Show all work! ______

1) ammonium sulfite % N 24.1

% H 6.9

% S 27.6

% O 41.3

______

2) aluminum acetate % Al 13.2

% C 35.3

% H 4.4

% O 47.1

______

3) sodium bromide % Na 22.4

% Br 77.6

______

4) copper (II) hydroxide % Cu 65.1

% O 32.8

% H 2.1

______

5) magnesium carbonate % Mg 28.8

% C 14.2

% O 56.9 ______6) iron (II) phosphate % Fe 46.8

% P 17.3

% O 35.8

______

7) beryllium nitride % Be 49.1

% N 50.9

______

8) potassium cyanide % K 60.1

% C 18.4

% N 21.5

______

9) manganese (III) nitrate % Mn 22.8

% N 17.4

% O 59.8

______

10) lithium phosphide % Li 40.0

% P 60.0

______

11) nickel (III) sulfate % Ni 28.9

% S 23.7

% O 47.3 ______Percent Composition and Molecular Formula Worksheet 1) What’s the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?

2) If the molar mass of the compound in problem 1 is 110 grams/mole, what’s the molecular formula?

______3) What’s the empirical formula of a molecule containing 18.7% lithium, 16.3% carbon, and 65.0% oxygen?

4) If the molar mass of the compound in problem 3 is 73.8 grams/mole, what’s the molecular formula? Percent Composition and Molecular Formula Worksheet Solutions

1) What’s the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?

2) If the molar mass of the compound in problem 1 is 110 grams/mole, what’s the molecular formula?

C6H6O2

______3) What’s the empirical formula of a molecule containing 18.7% lithium, 16.3% carbon, and 65.0% oxygen?

Li2CO3

4) If the molar mass of the compound in problem 3 is 73.8 grams/mole, what’s the molecular formula?

Li2CO3 (In this case, the molecular and empirical formulas are the same, a frequent occurrence for inorganic compounds) Molecular Formula Worksheet

Write the molecular formulas of the following compounds:

1) A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole.

2) A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole.

3) A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole.

4) A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. Molecular Formula Worksheet ANSWER KEY

Write the molecular formulas of the following compounds:

1) A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole. C4O2H8

2) A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole. C8H8O2

3) A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole. C2F2Br2O2

4) A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. C2H8N