The astronaut then measures the abundance of silicon on the new planet, obtaining the following results:   Isotope Abundance(%%) Mass(amuamu) 28Si28Si 73.71 27.98   29Si29Si   14.93 28.98 30Si30Si 11.36 29.97   What is the atomic mass of silicon for this planet?

Q: You have discovered a new element - Bluehenium (Bl).  It has two naturally occurring isotopes 68Bl…

A:

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Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

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Q: Two isotopes of rubidium occur naturally, with 37/85Rb at 72.17% (84.91 amu) and 87/37Rb at 27.83%…

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Q: lectrons-Neutrons.pdf + 107% Element/ Atomic Mass Number Ion Number Atomic Mass Protons Neutrons…

A: The complete table for the above question is given below :

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Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Given that Isotope Mass (amu) Relative Abundance 100Ru 99.9 48% 99Ru 98.9 52%   To…

Q: 49.31%. What is the relative atomic mass of Br? 2.9. An isotope of lead has an isotopic mass of 208.…

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Q: Boron has an average atomic mass of 10.81. One isotope of boron has a mass of 10.012938 and a…

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Q: Rubidium has two naturally occurring isotopes, from the following data calculate the value of X?…

A: Since, you have asked multiple questions, we will solve the first question for you.  In Question-1,…

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Q: If the cube with the same mass as part A is made of iron, determine the edge length of this cube (in…

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Q: This exercise will lead you to verify that the average atomic mass of magnesium is 24.31 amu, based…

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Q: Only two isotopes of copper occur naturally, 63Cu (atomic mass = 62.9296 amu; abundance 69.17%) and…

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Q: Silicon, which makes up about 25% of Earth's crust by mass, is used widely in the modern elegtronics…

A: atomic mass of element = Σ (isotopic mass * abundance%)100

Q: 1. A 1.2-gram sample of lanolin was treated with Wij’s solution and excess potassium iodide…

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A: Isotopes are atoms of the same element that differ in the numbers of neutrons in the nucleus. These…

Q: Titanium has five common isotopes: 46Ti (8.000%, 45.95 amu), 47 T (7.800%, 46.95 amu), 48Ti (73.40%,…

A: Given 46Ti (8.000%, 45.95 amu), 47 Ti (7.800%, 46.95 amu), 48Ti (73.40%, 47.95 amu), 49Ti (5.500%,…

Q: 1. A 1.2-gram sample of lanolin was treated with Wij’s solution and excess potassium iodide…

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Q: Naturally occurring silicon has an atomic mass of 28.086 and consists of three isotopes. The major…

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Q: On a mission to a newly discovered planet, an astronaut finds gallium abundances of 60.11 %% for…

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Q: Isotope Mass (amu) Abundance (%) Si−28 27.9769 92.2 Si−29 28.9765 4.67 Si−30 29.9737 3.10 Calculate…

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Q: Calculate the atomic mass for silicon given the following data for its natural isotopes: 28 Si…

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Q: 1. A 1.2-gram sample of lanolin was treated with Wij’s solution and excess potassium iodide…

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Q: 26. An element has 2 stable isotopes. The mass of one is 68.9257amu and its abundance is 60.4%. The…

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Q: The element uranium (U) has three naturally occuring isotopes, 234^U, 235^U, and 238^U. 234^U has an…

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Q: O ATOMS, IONS AND MOLECULES Finding atomic mass from isotope mass and natural abundance A robot…

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Q: There are two significant isotopes of chlorine. Their natural abbundances are: Isotope Atomic Mass…

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Q: 5. Gallium has two naturally occurring isotopes with the following masses and natural abundances.…

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Q: Isotope Relative Isotope Mass Abundance 18HO 17.990 amu 78.920%, 20HO ? ?

A:

Q: The fictitious element concordium (Cn) has two naturally occurring isotopes: 65C (64.8913 u) and 69C…

A: The solution is as follows :

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Given that: Isotope Mass(amu) Relative abundance 98Ru 97.9 90.3% 99Ru 98.9 9.7%

Q: 7. A fictitious element which we will call dearbornium (Db) is made up of two isotopes. A sample of…

A: Given that : For the element dearbornium (Db) in a sample : Number of atoms of 292Db = 2233  Number…

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Q: information

A: This question is related to abundance of isotopes.

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

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Q: A hypothetical element Q (atomic mass: 142.61) consists of two stable isotopes: 45.3 % isotope A…

A: Relative abundance of isotope A is 0.453(45.3%) and hence, relative abundance of isotope B is 0.547…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: The average atomic weight of the Molybdenum isotopes can be calculated as