Chemistry. In short, for particles, 1 mol = 6.022 140 76 × 10 23. A mole of a substance or a mole of particles is defined as exactly 6.022 140 76 × 10 23 particles, which may be atoms, molecules, ions, or electrons. 1 mole of H2O = 2 × 6.022×1023 of Hydrogen + 6.022×1023 of Oxygen. 0 2 2 × 1 0 2 3 atoms of oxygen. To convert between moles and the volume of a gas at STP, we will use the factor label method discussed in the first unit. 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. It is the link between the micro world of atoms and molecules, to the macro world of grams, and kilograms, and litres. This conversions relies on the fact that a mole of gas at STP has a volume of 22.4 L. The molecular weight of the oxygen atom is 16 g/mol, however the oxygen molecule [math]O_2[/math] is 32 g/mol. Chemistry. The mole (symbol: mol) is the unit of measurement for amount of substance in the International System of Units (SI). The mole is related to the mass of an element in the following way: one mole of carbon-12 atoms has 6.02214076 × 10 23 atoms and a mass of 12 grams. Thalha. Get 1:1 … One mole of oxygen contains 6. This is why educators go to such lengths to teach the mole. One mole of Sulfur Dioxide reacts with oxygen gas? Answer Save. In one mole of ammonium carbonate, there will be two moles of nitrogen, eight moles of hydrogen, one mole of carbon, and three moles of oxygen. 0 2 2 × 1 0 2 3 molecules or 2 × 6. #"Avogadro's number of oxygen atoms"# has a special property: #N_A# #"oxygen atoms"#, #6.022xx10^23# individual oxygen atoms have a mass of #15.999*g# precisely. If one mole of oxygen takes up a volume of 22.4 L, what volume of oxygen would need to be produced to meet the needs of one person for one week? 4 Answers. Converting Between Moles and Liters of a Gas at STP. Its weight is equal to molecular weight which is 3 2 g/mol. How many moles of oxygen are required to combust 84.6 mol of hydrogen? Relevance. 2. Expert Answer 100% (1 rating) Previous question Next question Get more help from Chegg. Given the number of moles of oxygen gas = 0.1 mol Number of oxygen molecules = number of moles × N A = 0.1 × 6.02 × 10 23 = 6.02 × 10 22 molecules Based on its formula O 2, each oxygen molecule contains two oxygen atoms. The key is one mole of Sulfur Dioxide and i need heat involved. There are 6.02x1023 atoms per mole. So, 6.02 × 10 22 oxygen molecules contain 2 × 6.02 × 10 22 oxygen atoms, that is 1.204 × 10 23 oxygen atoms. I need a balanced equation. In comparison, one mole of oxygen consists, by definition, of the same number of atoms as carbon-12, but it has a mass of 15.999 grams. Oxygen, therefore, has a greater mass than carbon. Finally, you run the electrolysis reaction in reverse: This shows that 42.3 moles of oxygen are required to combust 84.6 moles of hydrogen. I don't know if that goes in the equation or not, but I only have one shot at this. The solution to this sort of question is to understand the units of molecular weight and think. Take the atomic mass of oxygen and use this formula: # times avogadro's numbers(3.62 times 10 to the... What Are The Number Of Particles In One Mole Of Nacl? Answered By 2KClO 3 = 2KCl+3O 2. Christopher Hren is a high school chemistry teacher and former track and football coach. A mole of oxygen molecules... How Many Atoms Of Oxygen Are In A Mole Of Oxygen? The calculator below uses the formula to convert liters to moles and to convert moles to liters, where is 22.413962. About the Book Author. The molar volume of ideal gas at standard temperature and pressure (273.15 K, 101.325 kPa) is 22.413 962 x 10-3 m3 mol-1 with standard uncertainty 0.000013 x 10-3 m3 mol-1 2. To briefly sum up, the mass that belongs to one mole of a substance will be equal to the molecular weight of that substance.