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What is the relative formula mass of oxygen?
Oxygen is a non meta element. Atomic mass of it is 16.
Oxygen has three different isotopes that occur naturally in different amounts if 99 is oxygen- 16 0.04 is oxygen- 17 and 0.20 is oxygen-18 calculate the relative atomic mass of oxygen?
To calculate the relative atomic mass of oxygen, you multiply the mass of each isotope by its natural abundance (in decimal form), and then sum these values. The calculation is as follows: [ \text{Relative atomic mass} = (16 \times 0.990) + (17 \times 0.0004) + (18 \times 0.0020) = 15.84 + 0.0068 + 0.036 = 15.8868 ] Thus, the relative atomic mass of oxygen is approximately 15.88 amu.
How you determined the relative atomic mass of oxygen?
The relative atomic mass of oxygen is determined by taking the weighted average of the isotopic masses of its naturally occurring isotopes (O-16, O-17, O-18) in respect to their abundance in nature. This calculation gives an average value close to 16, which is the standard atomic mass unit for oxygen.
What is the relative mass of so2?
The relative atomic mass of sulfur is 32.06 g/mol and the relative atomic mass of oxygen is 16.00 g/mol. Therefore, the relative molecular mass of SO2 (sulfur dioxide) is 32.06 + (16.00 x 2) = 64.06 g/mol.
What nuclide is used as the standard in the relative scale for atomic masses and What is it's assigned atomic mass?
Carbon-12 (12C) is used as the standard in the relative scale for atomic masses, and its assigned atomic mass is 12 atomic mass units.
What nuclide is used as the standard in the relative scale for atomic mass?
In 1803 Dalton suggested 1H as the basic unit for the atomic mass unit(amu). Ostwald recommended 1/16 mass of Oxygen. However, this suggestion was made before the isotopes 17O an 18O were discovered. Since 1961, the unit is based on 1/12 mass of 12C.
What is the mass density of the oxygen gas?
The mass density of oxygen gas at standard conditions (0°C and 1 atm) is approximately 1.429 g/L.
What is the oxygen mass number?
The atomic weight (not mass) of oxygen is [15,99903; 15,99977] or in an abridged form 15,999. The term atomic mass is used only for isotopes. The mass number is the sum of neutrons and protons in an atomic nucleus.
What does the relative atomic mass of an element tell us about the relative abundance of an isotope?
None. The relative abundance of isotopes is used to calculate the Average Mass (by multiplying the Atomic Mass of the isotopes by their relative abundancies and adding the products together) while the Atomic Mass is simply the number of protons plus the number of neutrons.
Is this statement true or false The isotope hydrogen-1 is the standard used for the relative scale of atomic masses?
True. Hydrogen-1, also known as protium, is the standard used for the relative scale of atomic masses. Its mass is defined as exactly 1 atomic mass unit (amu) on the atomic mass scale.
The atomic mass of oxygen is 15.999 amu on the periodic table. What does this value mean?
The atomic mass of oxygen, 15.999 amu (atomic mass units), represents the average mass of an oxygen atom, taking into account the relative abundance of its isotopes. This value is not a whole number because it is a weighted average, reflecting the presence of different isotopes of oxygen, primarily oxygen-16, oxygen-17, and oxygen-18. The atomic mass is crucial for calculating the mass of compounds and understanding stoichiometry in chemical reactions.
What is the relative formula mass of carbon dioxide.?
The relative formula mass of carbon dioxide (CO₂) is calculated by summing the atomic masses of its constituent elements. Carbon has an atomic mass of approximately 12.01 g/mol, and oxygen has an atomic mass of about 16.00 g/mol. Since there are two oxygen atoms in carbon dioxide, the calculation is 12.01 + (2 × 16.00) = 44.01 g/mol. Therefore, the relative formula mass of carbon dioxide is approximately 44.01 g/mol.
