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QuestionChemistry

Find the molar mass of PCl^3. ​
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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}).