Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Identify the elements in the compound
The compound PCl^3 contains: - Phosphorus (P) - Chlorine (Cl)
Step 3:: Look up the atomic masses
- Atomic mass of Phosphorus (P): $$14.0067 \mathrm{g/mol}
- Atomic mass of Chlorine (Cl): 35.453 \mathrm{g/mol}
Step 4:: Calculate the molar mass by summing the atomic masses
= 120.3657 \mathrm{g/mol}
- Number of P atoms: 1 - Number of Cl atoms: 3 Molar mass calculation:
Final Answer
The molar mass of PCl^3 is 120.3657 \mathrm{g/mol} (rounded to 120.37 \mathrm{g/mol}).
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