Calculate the percentage of both elements in sulfur dioxide. Calculate the percentage composition of ammonium nitrate, \( \mathrm{NH}_{4} \mathrm{NO}_{\text {O }} \)
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To calculate the percentage composition of sulfur dioxide, \( \mathrm{SO}_{2} \): 1. Find the molar mass of \( \mathrm{S} \) (sulfur) = 32.07 g/mol and \( \mathrm{O} \) (oxygen) = 16.00 g/mol. 2. The molar mass of \( \mathrm{SO}_{2} = 32.07 + 2(16.00) = 64.07 \) g/mol. 3. Percentage of sulfur: \( \frac{32.07}{64.07} \times 100 \approx 50.00\% \). 4. Percentage of oxygen: \( \frac{32.00}{64.07} \times 100 \approx 50.00\% \). Now for ammonium nitrate, \( \mathrm{NH}_{4}\mathrm{NO}_{3} \): 1. Find the molar mass: \( \mathrm{N} = 14.01 \) g/mol, \( \mathrm{H} = 1.01 \) g/mol, \( \mathrm{O} = 16.00 \) g/mol. 2. Molar mass of \( \mathrm{NH}_{4}\mathrm{NO}_{3} = (14.01 + 4(1.01) + 14.01 + 3(16.00)) = 80.05 \) g/mol. 3. Percent of nitrogen: \( \frac{(14.01 \times 2)}{80.05} \times 100 \approx 35.00\% \). 4. Percent of hydrogen: \( \frac{(4.04)}{80.05} \times 100 \approx 5.05\% \). 5. Percent of oxygen: \( \frac{(48.00)}{80.05} \times 100 \approx 59.95\% \). So, \( \mathrm{NH}_{4}\mathrm{NO}_{3} \) has approximately 35.00% nitrogen, 5.05% hydrogen, and 59.95% oxygen.