Answer
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Step 1:I'll solve this step-by-step using precise LaTeX formatting:
Step 2:: Identify the elements in KClO₃
- Potassium (K) - Chlorine (Cl) - Oxygen (O)
Step 3:: Look up the atomic masses
- Oxygen (O): $$15.999 \mathrm{g/mol}
- Chlorine (Cl): 35.453 \mathrm{g/mol}
Step 4:: Count the number of atoms
- K: 1 atom - Cl: 1 atom - O: 3 atoms
Step 5:: Calculate the molar mass by summing the masses
\begin{align}
\text{Molar Mass} &= (1 \times m_{K}) + (1 \times m_{Cl}) + (3 \times m_{O}) \ &= 39.0983 + 35.453 + (3 \times 15.999) \ &= 39.0983 + 35.453 + 47.997 \ &= 122.5483 \mathrm{g/mol} \end{align}
Final Answer
The molar mass of KClO₃ is 122.5483 \mathrm{g/mol}.
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