QuestionJuly 9, 2025

1.(2 points)Determine the molar mass of each compound indicated below: a) ammonium phosphate

1.(2 points)Determine the molar mass of each compound indicated below: a) ammonium phosphate
1.(2 points)Determine the molar mass of each compound indicated below:
a) ammonium phosphate

Solution
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Answer

149.12 g/mol Explanation 1. Identify the chemical formula Ammonium phosphate is (NH_4)_3PO_4. 2. Calculate molar mass of each element Nitrogen (N): 14.01 g/mol, Hydrogen (H): 1.01 g/mol, Phosphorus (P): 30.97 g/mol, Oxygen (O): 16.00 g/mol. 3. Calculate total molar mass 3 \times (14.01) + 12 \times (1.01) + 1 \times (30.97) + 4 \times (16.00) 4. Perform calculation 3 \times 14.01 = 42.03, 12 \times 1.01 = 12.12, 1 \times 30.97 = 30.97, 4 \times 16.00 = 64.00 5. Sum all contributions 42.03 + 12.12 + 30.97 + 64.00 = 149.12 g/mol

Explanation

1. Identify the chemical formula<br /> Ammonium phosphate is $(NH_4)_3PO_4$.<br /><br />2. Calculate molar mass of each element<br /> Nitrogen (N): 14.01 g/mol, Hydrogen (H): 1.01 g/mol, Phosphorus (P): 30.97 g/mol, Oxygen (O): 16.00 g/mol.<br /><br />3. Calculate total molar mass<br /> $3 \times (14.01) + 12 \times (1.01) + 1 \times (30.97) + 4 \times (16.00)$<br /><br />4. Perform calculation<br /> $3 \times 14.01 = 42.03$, $12 \times 1.01 = 12.12$, $1 \times 30.97 = 30.97$, $4 \times 16.00 = 64.00$<br /><br />5. Sum all contributions<br /> $42.03 + 12.12 + 30.97 + 64.00 = 149.12$ g/mol
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