What is the molar mass of aluminum oxide (Al2O3)?

Oct 19, 2020 ... Answer: (a) Molar mass of NH3 = 17 amu. Explanation - Before we start calculating, I'd like to write down atomix masses of relevant individual elements. Oct 29, 2014 ... Calculate the amount (moles) of NH3 that was distilled into the HNO3 and hence determine the ... Molar Mass / g mol-1. MW = Molecular weight of the gaseous feedstock (kg/kg-mole). MVC = Molar volume conversion factor (849.5 scf per kg-mole at standard conditions). 44/12 = Ratio ... Ammonia ammonia; anhydrous ammonia. Gas. SAFETY DATA SHEET. GHS product ... Molecular weight. Flow time (ISO 2431). : Not available. Vapor pressure. Vapor ... ... molar excess of immunogenic peptide for 1 h at room temperature prior to ... mass of 63.31 kDa (VectorBase) comprising 11 transmembrane helices and an ... Jan 17, 2019 ... Molarity = (10 x 25 x density of NH3) / molecular weight of NH3. Hence, molarity of 25% (w/v) NH3 solution is 14.7mol /L or 14.7 M. Wait until a while ring of solid ammonium chloride forms where the hydrogen chloride and ammonia gases meet. The ammonia gas, having a lower molecular weight ... then X (NH3) = 1.8/6.32 = 0.285. Given: Mass of solute = 30.6 g. Mass of solvent = 81.3 g molar mass(NH3) = 14 + 3x1 = 17 g/mol molar mass(H2O) = 2x1+16 = 18. Sep 30, 2019 ... Molecular mass of NH 3 can be calculated as follows: (1 × 14) + (3 × 1) = 17 Hence, molecular mass of NH 3 is 17 u. At room temperature, NH3 is a gas and H2O is a liquid, even though NH3 has a molar mass of 17 grams and H2O has a molar mass of 18 grams. Hydrogen bonding is ...