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**Chemistry Worksheet** **5. One Mole of Tetraphosphorus Decooxide Contains:** a. **How many molecules?** - 6.022 x 10²³ molecules b. **How many grams?** - 283.9 g c. **How many phosphorus atoms?** - 2.409 x 10²⁴ atoms of P d. **How many oxygen atoms?** - 4.813 x 10²⁴ atoms of O e. **How many total atoms?** - 7.221 x 10²⁴ atoms **6. Determine the % Composition of Each of the Following Compounds:** a. **FeCl₃** - MM (Molar Mass) = 162.2 g/mol - % Fe = 34.43% b. **KHCO₃** - MM = 100.1 g/mol c. **Al₂(SO₄)₃** - MM = 342.3 g/mol - % Al = 15.77% - % S = 28.11% - % O = 56.12% d. **C₆H₅CH₃** - MM = 92.13 g/mol - % C = 91.25% - % H = 8.75% **Note: MM refers to the Molar Mass of the compound. Percentages are calculated based on the molar masses of individual elements relative to the entire compound.**

**Chemistry Worksheet** **5. One Mole of Tetraphosphorus Decooxide Contains:** a. **How many molecules?** - 6.022 x 10²³ molecules b. **How many grams?** - 283.9 g c. **How many phosphorus atoms?** - 2.409 x 10²⁴ atoms of P d. **How many oxygen atoms?** - 4.813 x 10²⁴ atoms of O e. **How many total atoms?** - 7.221 x 10²⁴ atoms **6. Determine the % Composition of Each of the Following Compounds:** a. **FeCl₃** - MM (Molar Mass) = 162.2 g/mol - % Fe = 34.43% b. **KHCO₃** - MM = 100.1 g/mol c. **Al₂(SO₄)₃** - MM = 342.3 g/mol - % Al = 15.77% - % S = 28.11% - % O = 56.12% d. **C₆H₅CH₃** - MM = 92.13 g/mol - % C = 91.25% - % H = 8.75% **Note: MM refers to the Molar Mass of the compound. Percentages are calculated based on the molar masses of individual elements relative to the entire compound.**

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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**Chemistry Worksheet** **5. One Mole of Tetraphosphorus Decooxide Contains:** a. **How many molecules?** - 6.022 x 10²³ molecules b. **How many grams?** - 283.9 g c. **How many phosphorus atoms?** - 2.409 x 10²⁴ atoms of P d. **How many oxygen atoms?** - 4.813 x 10²⁴ atoms of O e. **How many total atoms?** - 7.221 x 10²⁴ atoms **6. Determine the % Composition of Each of the Following Compounds:** a. **FeCl₃** - MM (Molar Mass) = 162.2 g/mol - % Fe = 34.43% b. **KHCO₃** - MM = 100.1 g/mol c. **Al₂(SO₄)₃** - MM = 342.3 g/mol - % Al = 15.77% - % S = 28.11% - % O = 56.12% d. **C₆H₅CH₃** - MM = 92.13 g/mol - % C = 91.25% - % H = 8.75% **Note: MM refers to the Molar Mass of the compound. Percentages are calculated based on the molar masses of individual elements relative to the entire compound.**
Transcribed Image Text:**Chemistry Worksheet** **5. One Mole of Tetraphosphorus Decooxide Contains:** a. **How many molecules?** - 6.022 x 10²³ molecules b. **How many grams?** - 283.9 g c. **How many phosphorus atoms?** - 2.409 x 10²⁴ atoms of P d. **How many oxygen atoms?** - 4.813 x 10²⁴ atoms of O e. **How many total atoms?** - 7.221 x 10²⁴ atoms **6. Determine the % Composition of Each of the Following Compounds:** a. **FeCl₃** - MM (Molar Mass) = 162.2 g/mol - % Fe = 34.43% b. **KHCO₃** - MM = 100.1 g/mol c. **Al₂(SO₄)₃** - MM = 342.3 g/mol - % Al = 15.77% - % S = 28.11% - % O = 56.12% d. **C₆H₅CH₃** - MM = 92.13 g/mol - % C = 91.25% - % H = 8.75% **Note: MM refers to the Molar Mass of the compound. Percentages are calculated based on the molar masses of individual elements relative to the entire compound.**
Expert Solution
Step 1

The compound given is tetraphosphorous decoxide i.e P4O10 

And moles of P4O10 = 1 mol

Molar mass of P4O10 = Atomic mass of P X 4 + Atomic mass of O X 10 = 31 X 4 + 16 X 10 = 284 g/mol

 

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