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Step 1:I'll solve this problem step by step, following the LaTeX formatting guidelines precisely:
Step 2:: Identify the elements in the compound
- The compound is P₂O₅, which contains: - Phosphorus (P) - Oxygen (O)
Step 3:: Find the atomic masses
- Atomic mass of Phosphorus (P): $$m_{P} = 30.97 \mathrm{g/mol}
- Atomic mass of Oxygen (O): m_{O} = 16.00 \mathrm{g/mol}
Step 4:: Calculate the number of atoms in the compound
- Phosphorus: 2 atoms - Oxygen: 5 atoms
Step 5:: Calculate the molar mass
- Total molar mass: $$61.94 \mathrm{g/mol} + 80.00 \mathrm{g/mol} = 141.94 \mathrm{g/mol}
- Oxygen contribution: 5 \times 16.00 \mathrm{g/mol} = 80.00 \mathrm{g/mol}
Final Answer
The molar mass of P₂O₅ is 141.94 \mathrm{g/mol}.
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