Respuesta :
Answer: Calculate the molar mass of (NH4)2SO4 in grams per mole or search for a chemical ... Molecular weight calculation: (14.0067 + 1.00794*4)*2 + 32.065 + 15.9994*4. ›› Percent composition by element ... Sulfur, S, 32.065, 1, 24.266% ... To complete this calculation, you have to know what substance you are trying to convert.
Explanation: