97% (160 ratings) Problem Details. Molecular nitrogen (N2) would be twice as much. Atomic Number of Oxygen. FREE Expert Solution Show answer. The chemical symbol for Oxygen is O.. Atomic Mass of Oxygen. Problem: Calculate the mass (in kg) of 4.87 x 10 25 atoms of Zn.A) 1.09 kg B) 1.89 kg C) 5.29 kg D) 1.24 kg E) 8.09 kg. Solution for The average mass of an oxygen atom is 5.3*10^ -26 kg . The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. 16 g ÷ 1000 = 0.016 kg. As we saw earlier, it is convenient to use a reference unit when dealing with such small numbers: the atomic mass unit. Calculate the kinetic energy of a mole of oxygen atoms, all moving at a speed of 400 m/s… 16g = ? The atomic mass is the mass of an atom. Of any Elements Atom .. And Apply just G{gram} .. this will became Its Molar mass . Atomic Mass of Oxygen. If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. We now know that a hydrogen atom has a mass of 1.6735 x 10-24 grams, and that the oxygen atom has a mass of 2.6561 X 10-23 grams. Atomic mass of Oxygen is 15.9994 u. we Know that , 1000g = 1 kg . Calculate the kinetic energy of a mole of oxygen atoms, all moving at a speed of 400 m/s. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. I hope u like It .. Make sure To hit thanks Its Molar Mass will Be 16 Because if We Find Molar Mass Just See A.M.U. The average mass of an oxygen atom is 5.3 {eq}\times {/eq} 10{eq}^{-26} {/eq} kg. That is for a single atom. The mass of nitrogen is 2.325x10^-26 kg. Atomic mass of Oxygen is 15.9994 u. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. Thus, oxygen was assigned an atomic mass of 16. An oxygen molecule consists of two oxygen atoms whose total mass is 5.3 x 10^-26 kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway between them, is 1.9 x 10^-46 kg*m^2.

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