<p> More Mixed Naming Fun! Name these compounds. They may be either ionic or covalent. 1) LiOH ______</p><p>2) PBr3 ______</p><p>3) Na2SO4 ______</p><p>4) (NH4)2S ______</p><p>5) CaCO3 ______</p><p>6) CF4 ______</p><p>7) NaNO3 ______</p><p>8) P2S3 ______</p><p>9) Al(NO3)3 ______</p><p>10) Mg(OH)2 ______</p><p>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 ______</p><p>12) phosphorus tribromide ______</p><p>13) calcium hydroxide ______</p><p>14) dinitrogen sulfide ______</p><p>15) carbon monoxide ______</p><p>16) diboron tetrahydride ______</p><p>17) phosphorus pentabromide ______</p><p>18) sulfur dichloride ______</p><p>19) sodium carbonate ______</p><p>20) aluminum acetate ______More Mixed Naming Fun! - Answers Name these compounds. They may be either ionic or covalent. 1) LiOH lithium hydroxide</p><p>2) PBr3 phosphorus tribromide</p><p>3) Na2SO4 sodium sulfate</p><p>4) (NH4)2S ammonium sulfide</p><p>5) CaCO3 calcium carbonate</p><p>6) CF4 carbon tetrafluoride</p><p>7) NaNO3 sodium nitrate</p><p>8) P2S3 diphosphorus trisulfide</p><p>9) Al(NO3)3 aluminum nitrate</p><p>10) Mg(OH)2 magnesium hydroxide</p><p>Write the formulas for the following compounds. Remember, they may be either ionic or covalent compounds, so make sure you use the right method!</p><p>11) potassium oxide K2O</p><p>12) phosphorus tribromide PBr3</p><p>13) calcium hydroxide Ca(OH)2</p><p>14) dinitrogen sulfide N2S</p><p>15) carbon monoxide CO</p><p>16) diboron tetrahydride B2H4</p><p>17) phosphorus pentabromide PBr5</p><p>18) sulfur dichloride SCl2</p><p>19) sodium carbonate Na2CO3</p><p>20) aluminum acetate Al(C2H3O2)3</p><p>Percentage Composition Worksheet Give the % composition of all elements in these compounds. Show all work! ______</p><p>1) ammonium sulfite % N ______</p><p>% H ______</p><p>% S ______</p><p>% O ______</p><p>______</p><p>2) aluminum acetate % Al ______</p><p>% C ______</p><p>% H ______</p><p>% O ______</p><p>______</p><p>3) sodium bromide % Na ______</p><p>% Br ______</p><p>______</p><p>4) copper (II) hydroxide % Cu ______</p><p>% O ______</p><p>% H ______</p><p>______</p><p>5) magnesium carbonate % Mg ______</p><p>% C ______</p><p>% O ______</p><p>______6) iron (II) phosphate % Fe ______</p><p>% P ______</p><p>% O ______</p><p>______</p><p>7) beryllium nitride % Be ______</p><p>% N ______</p><p>______</p><p>8) potassium cyanide % K ______</p><p>% C ______</p><p>% N ______</p><p>______</p><p>9) manganese (III) nitrate % Mn ______</p><p>% N ______</p><p>% O ______</p><p>______</p><p>10) lithium phosphide % Li ______</p><p>% P ______</p><p>______</p><p>11) nickel (III) sulfate % Ni ______</p><p>% S ______</p><p>% O ______</p><p>______Percentage Composition Worksheet – Answer Key Give the % composition of all elements in these compounds. Show all work! ______</p><p>1) ammonium sulfite % N 24.1</p><p>% H 6.9</p><p>% S 27.6</p><p>% O 41.3</p><p>______</p><p>2) aluminum acetate % Al 13.2</p><p>% C 35.3</p><p>% H 4.4</p><p>% O 47.1</p><p>______</p><p>3) sodium bromide % Na 22.4</p><p>% Br 77.6</p><p>______</p><p>4) copper (II) hydroxide % Cu 65.1</p><p>% O 32.8</p><p>% H 2.1</p><p>______</p><p>5) magnesium carbonate % Mg 28.8</p><p>% C 14.2</p><p>% O 56.9 ______6) iron (II) phosphate % Fe 46.8</p><p>% P 17.3</p><p>% O 35.8</p><p>______</p><p>7) beryllium nitride % Be 49.1</p><p>% N 50.9</p><p>______</p><p>8) potassium cyanide % K 60.1</p><p>% C 18.4</p><p>% N 21.5</p><p>______</p><p>9) manganese (III) nitrate % Mn 22.8</p><p>% N 17.4</p><p>% O 59.8</p><p>______</p><p>10) lithium phosphide % Li 40.0</p><p>% P 60.0</p><p>______</p><p>11) nickel (III) sulfate % Ni 28.9</p><p>% S 23.7</p><p>% 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?</p><p>2) If the molar mass of the compound in problem 1 is 110 grams/mole, what’s the molecular formula?</p><p>______3) What’s the empirical formula of a molecule containing 18.7% lithium, 16.3% carbon, and 65.0% oxygen?</p><p>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</p><p>1) What’s the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?</p><p>C3H3O</p><p>2) If the molar mass of the compound in problem 1 is 110 grams/mole, what’s the molecular formula?</p><p>C6H6O2</p><p>______3) What’s the empirical formula of a molecule containing 18.7% lithium, 16.3% carbon, and 65.0% oxygen?</p><p>Li2CO3</p><p>4) If the molar mass of the compound in problem 3 is 73.8 grams/mole, what’s the molecular formula?</p><p>Li2CO3 (In this case, the molecular and empirical formulas are the same, a frequent occurrence for inorganic compounds) Molecular Formula Worksheet</p><p>Write the molecular formulas of the following compounds:</p><p>1) A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole.</p><p>2) A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole.</p><p>3) A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole.</p><p>4) A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. Molecular Formula Worksheet ANSWER KEY</p><p>Write the molecular formulas of the following compounds:</p><p>1) A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole. C4O2H8</p><p>2) A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole. C8H8O2</p><p>3) A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole. C2F2Br2O2</p><p>4) A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole. C2H8N</p>