Therefore, 1 molecule of O 2 will weigh = 32/ 6.022×10 23 = 5.313 × 10 −23 g 114 … Hemoglobin is the protein that transports oxygen in mammals. These are values of 1 mol of these atoms. Molar mass (in grams) is always equal to the atomic weight of the atom! The formula of an oxygen molecule is O2 (2 is a subscript but now WA doesn't permit to write a subscript).15.9994 g/mol is the molecular mass of oxygen. Well, the atomic weight of hydrogen is 1.01 grams, and the atomic weight of oxygen is 16.00 grams. A. Weight of 1 mole of oxygen molecules = 32 g of oxygen . of molecules =no. 1 mole of oxygen is 6.02 x 1023 atoms of oxygen 1 amu = 1.661 x 10-24g What is the molar mass (g/mole) of oxygen? Number of atoms in 1 mole of oxygen = 6.022 × 10 23 molecules . of molecules /Avogadro number No. As we know, No. hope it helps you Because 6.022 × 10 23 molecules of O 2 weigh 32 g . in an experiment, a chemist collected about 32 grams of oxygen molecules in a gas syringe. Mass = 2 x 16 = 32gms= 32/1000 = 0.032 kg of moles *Avogadro Number No. Calculate the mass of one molecule of oxygen 2 See answers shiva2222 shiva2222 Hi Oxygen's atomic weight is 16.00 amu. (write your answer in scientific notation. Example: Determine the mass (in grams) found in 7.28 x 1028 nitrogen atoms. round the coefficient … Of moles = 1/6.022*10^23. Of moles would be=No. Finding molar mass starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. One atom of O =1 x Atomic mass = 1 x 16 = 16 gms= 16/1000 = 0.016 kg A molecule of O2= 2 x At. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. assume that there are 6.02x10^23 molecules in the syringe. Different species of mammals have slightly different forms of hemoglobin. Problem : What is the mass of one molecule of C8H18 (octane) in grams? Answers (1) Raul's goal is to sell at least $75 worth of baked goods for the Speech Club's bake sale. C Mass of one molecule of oxygen = 5.3 X 10-23 gram. To briefly sum up, the mass that belongs to one mole of a substance will be equal to the molecular weight of that substance. One mole (not one molecule) of oxygen atoms would weigh 16 g, because an oxygen atom weighs 16 u. round the coefficient to the nearest hundredth) and calculate the mass of one oxygen atom if an oxygen molecule consists of 2 atoms. If each baked good sells for $4, and he has already sold 11 baked goods, which of the following inequalities could be … (write your answer in scientific notation. For example, 18.015 atomic mass units happens to be water’s molecular weight, and the weight of one mole of water is approximately 18.015 g. One form of hemoglobin is 0.335% Fe by mass, and each hemoglobin molecule contains four iron atoms. 1 mole of H2O = 2 × 6.022×1023 of Hydrogen + 6.022×1023 of Oxygen. 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