Calculate the average atomic mass of oxygen using the following data: (Leave your answer in 3 decimals) Isotope Isotopic mass 160 170 180 Percent natural abundance 15.9949 99.759 16.991 0.037 17.991 0.204

Q: Potassium naturally consists of 93.10% K-39 and 6.9% K-41. Calculate the atomic mass for Potassium.

A: Given that, % abundance of K-39 = 93.10 % = 0.9310  % abundance of K-41= 6.9 % = 0.069  Then,

Q: What is the difference between the mass number and the average atomic mass? Which one is on the…

A: we need to compare the mass number and the average atomic mass and tell which one of them is…

Q: 1. A scientist collects data on a sample of Lithium. He determines that 92.3% of the sample is…

A: The atomic mass of lithium = 6.938923 amu

Q: IRevie Part B A certain element X has four isotopes. • 4.350% of X has a mass of 49.94605 amu.…

A: Atomic mass of an element can be defined as the mass of a one atom of given chemical element. It is…

Q: 7. The natural distribution of the isotopes of a hypothetical element is 65.79% at a mass of 281.95…

A: Given: The natural distribution of the isotopes of a hypothetical element is 65.79% at a mass of…

Q: How many atoms are contained in a titanium sphere having a diameter of 4.00 mm? The density of…

A: Given : density of titanium = 4.506 g/cm3  And diameter of sphere = 4.00 mm  Since 1 cm = 10 mm…

Q: In a sample of gallium there is 60.2% of gallium-69 (68.9 amu) atoms and 39.8% of gallium-71 (70.9…

A:

Q: An element has three naturally occurring isotopes with the following abundances and masses::…

A: Since the atomic mass of any element is given by the average mass of its isotopes Hence the atomic…

Q: A 20.0 g sample of an element contains 3.89 x 1023 atoms.

A: Given:-  Number of atoms = 3.89 × 1023atoms Mass of sample = 20.0g

Q: Calculate the atomic mass element "X" if it has 2 naturally occuring isotopes withthe following…

A: Percent abundance of X-51 = 67.88 %  Percent abundance of X-53 = 32.12 %

Q: . Suppose you have a sample of sodium weighing 14.50 g. What mass of potassium would you need to…

A: Atomic mass of sodium=23 Atomic mass of potassium=39 Number of mole=given mass/molar mass So,…

Q: Enter your answer in the provided box. 12 The atomic masses of the two stable isotopes of carbon, 13…

A: Given,  12C6 isotope has 98.90 %  molar mass = 12 amu And 13C6 isotope has 1.100 %  Molar mass =…

Q: An unknown element X has the following isotopes: 52X (88.00% abundant), 4⁹X (8.00% abundant), 5⁰X…

A: The average atomic mass of an element is the sum of the masses of its isotopes, each multiplied by…

Q: An unknown element X has the following isotopes: ⁵²X (90.00% abundant), ⁴⁹X (8.00% abundant), ⁵⁰X…

A: The approximate atomic mass of element x is calculated as,

Q: What does the nucleus of an atom consists of?

A: In an atom, three fundamental particles are present, proton, electron, and neutron.

Q: An unknown element X has the following isotopes: ²⁵X (80.50% abundant, mass = 25.03 amu) and ²⁷X…

A:

Q: Calculate the average atomic mass of sulfur if 95.00% of all sulfur atoms have a mass of 31.972 amu,…

A: We need to find the average atomic mass of sulfur from the given data. It is given that, 95.00% of…

Q: Potassium naturally consists of 93.10% K-39 and 6.90% K-41. K-39 has an atomic mass of 38.963707…

A:

Q: What is atomic mass? How is it calculated?

A: Atoms are the smallest constituents of a chemical compound and the atoms do not have independent…

Q: What is the atomic weight for the element that is in group 5A and period 4?

A: given: group 5A period 4

Q: A single atom of element Q has a mass of 1.09 x 10 -22 g. What is the name of the element Q?

A: Given : Mass of single atom of element = 1.09 X 10-22 g Assuming atomic mass of element is M.

Q: 1. Predict the mass and abundance of Mg-25 with the information given. Isotope Mg-24 Mg-25 Mass…

A: Mass of Mg-24 = 23.9850 amuAbundance of Mg-24 = 78.99%Mass of Mg-26 = 25.9826 amuAbundance of Mg-26…

Q: Given the information below please calculate the average atomic mass for the isotopes. 0.12% O-15…

A: The average atomic mass can be calculated using the formula, Average atomic mass=Natural abundance…

Q: Boron has only 2 naturally occuring isotopes. The mass of boron-10 is 10.01294 and the mass of…

A: Given : Mass of boron-10 is 10.01294 amu and boron-11 is 11.00931 amu. Assuming abundance of…

Q: explain how we calculate the mass of an atom and why we write this down in atomic mass units

A: Atomic mass of an atom is the sum of total number of protons and neutrons present in the atom. It is…

Q: On the fictional planet Zeus, boron occurs as 55.46% of 10B (atomic mass = 10.01 u) and 44.54% of…

A: