The two most abundant naturally occurring isotopes of carbon are carbon­-12 (98.90%, 12.000 amu) and car­bon-­13 (1.10%, 13.003 amu). From these abundances, calculate the atomic weight of carbon and compare your calculated value with that given in the Periodic Table.

Q: determine the  abundance in nature of each isotope in percent.

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Q: Rubidium has two naturally occurring isotopes, rubidium-85(atomic mass = 84.9118 amu; abundance =…

A: The element carrying dissimilar neutrons number or atomic mass which might be more or less than its…

Q: amino acid methionine is depicted in the picture.  C5H11NO2S is the molecular formula for…

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Q: An unknown element is a mixture of isotopes 120X and 122X.  The average atomic mass is 120.70.  What…

A: Suppose percentage abundance of 122X = A percentage abundance of  120X = (100 - A) Fraction of 122X…

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: Calculate the weighted average of Ressidum. R has three naturally occurring abundances at 20.0%,…

A: Given   The atomic mass for given three isotope is 222.351 amu, 224.610 amu, and 200.841 amu. The…

Q: The two naturally occurring isotopes of boron, boron-10 and boron-11, have masses of10.0129370 u and…

A: Atoms that have the equal number of protons but distinct numbers of neutrons are termed as isotopes.…

Q: The atomic masses of 6 Li and7Li are 6.0151 amu and 7.0160 amu, respectively. Calculate the natural…

A: The natural abundance of the heaviest isotope is to be calculated.

Q: A hypothetical element X has 2 major isotopes and an average atomic mass of 48.05 amu. Given that…

A: Average atomic mass=∑Atomic mass of an isotope×isotopic percentage100

Q: he average atomic masses of some elements may vary, depending upon the sources of their ores.…

A: Explanation Solution Two substances, the percentage of each isotope, are unidentified. As both…

Q: On planet X431A, the isotopes of carbon, C , have the following natural abundances: Abundance (%)…

A: #Q.1: Data given for planet X431A Given the atomic mass of 1st isotope, M1 = 12.000 amu Fractional…

Q: The atomic weight of Cl is 35.45 amu. There are only two naturally occurring isotopes of chlorine:…

A: Given  The average atomic weight of Cl = 35.45 amu  The weight of 35Cl   = 35 amu  The weight of…

Q: An imaginary element Z has two naturally occurring isotopes, ³Z and 4Z. ³Z has a mass of 3.016 amu,…

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Q: Magnesium (average atomic mass = 24.305 amu) consists of three isotopes with masses 23.9850 amu,…

A: This question is answered by using the simple concept of calculation abundance of the isotopes using…

Q: Write the empirical formula corresponding to each of the following molecular formulas: (a) Al;Bre;…

A: Empirical formula gives simple whole number ratio of atoms of various elements present in one…

Q: 2. What is the relative abundance of each isotope present in a sample of Tin if the average atomic…

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Q: If the reference for atomic masses of the elements were changed to 12C = 10.00 the relative atomic…

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Q: In an experiment, the reaction of 100.0 g of iodine produced 144.9 g of a compound formed from…

A: It is an example of law of conservation of mass

Q: An atom consists of two isotopes, the first with an atomic mass of 15.8967 amu and the second with…

A: Atomic mass of first Isotope = 15.8967 amu Atomic mass of second Isotope = 16.8245 amu Average mass…

Q: There are two naturally occurring isotopes of B- boron. One has an atomic mass of 10.013 amu and a…

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Q: A particular element has 2 stable isotopes. If the first isotope has a mass of 14.754 amu and an…

A: Given that: Element has two stable isotope Mass of first isotope(m1) = 14.754amu Abundance of first…

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

A: Since you have posted multiple questions and not specified which one to solve, we will solve the…

Q: An element consists of 4.35% of an isotope with mass 49.946 u, 83.79% of an isotope with mass…

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

Q: Copper has 2 stable isotopes, namely Cu-63 and Cu-65. The atomic masses of the said isotopes are…

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

A: Since you have posted multiple questions and not specified which one to solve, we will solve the…

Q: The water found on Earth is almost entirely made up of the 'H and 160 isotopes for a formula of H2O…

A: The element which contains the same number of protons and different number of neutron is known as…

Q: You are exploring the universe in your spaceship, and you land on a planet that is very similar to…

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

A: Since you have posted multiple questions and not specified which one to solve, we will solve the…

Q: The two most abundant naturally occurring isotopes of carbon are carbon-12 (98.90%, 12.000 amu) and…

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Q: What is the average atomic mass of chlorine if the mass of one isotope is 34.97 amu and has a per…

A: The average atomic mass of an element can be calculated as shown below.

Q: The newly-discovered "element ~X" has 3 stable isotopes, each with the listed mass and abundance.…

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Q: A completely made up element called Krystogen has two naturally occurring isotopes. The atomic…

A: Every atom in periodic table has some atomic mass and atomic number. When atomic number of two…

Q: Calculate the average atomic mass of the element iron (Fe) using the following data: Isotope Iron-54…

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Q: Deducing Relative Abundance by Semi-Quantitative Reasoning- Without Doing Math How would I go about…

A: More number of neutrons are required for higher atomic number elements to avoid repulsion.

Q: On another planet, the isotopes of titanium have the given natural abundances. Mass (u) Isotope 46T.…

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Q: B) The average atomic mass of chlorine is 35.453. Does this mean that there are just two stable…

A: In order to explain the answer for the above question we have to first understand the given question…

Q: The element lead (Pb) consists of four naturally occurringisotopes with atomic masses 203.97302,…

A: From the given data, the atomic weight of lead can be calculated as -

Q: b) The mass of 205TI is about 204.9744 amu. Why then does the periodic chart have an atomic weight…

A: It is given that mass of 205 Tl = 204.9744 amu.  But this do not match with molar mass of Tl which…

Q: 1. There are three naturally occurring isotopes of silicon: Si-28, Si-29 and Si-30. If Si-28 makes…

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Q: The average atomic mass of hypothetical element 67X (66.9256 amu) and 71X (70.9247 amu) is 68.10…

A: Average atomic mass of an element can be determined as shown below :Avg. mass=mass of isotope 1×its…

Q: One of the heaviest atoms found in nature is 238U. Its relativeatomic mass is 238.0508 on a scale in…

A: Given, 238U relative atomic mass is 238.0508

Q: Calculate the atomic mass of element "X" if it has two naturally occurring isotopes with the…

A: the atomic mass of element "X" if it has two naturally occurring isotopes is Calculate by according…

Q: There are two isotopes of an unknown element, X-19 and X-21. The abundance of X-19 is 10.93%. Now…

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Q: An unmanned space shuttle mission brings samples back to Earth from Mars.  Working with samples from…

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Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

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Q: Naturally occurring tungsten metal is composed of three stable isotopes: 182 74W, with a natural…

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Q: what is the atomic mass of an unidentified element that has 2 naturally occurring isotopes with the…

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Q: You have an unknown element consisting of two isotopes, one with mass 36.9659 amu (24.22%), and one…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: Rubidium has two naturally occurring isotopes, rubidium-85 (atomic mass = 84.9118 amu; abundance =…

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