On earth, tin has 10 different stable isotopes. The heaviest, 124Sn makes up 5.80% of naturally occurring tin atoms. How many atoms of 124Sn are present in 38.3 g of a natural sample of tin?

Q: how many helium atoms are there in a helium blimp containing 536 kg of helium?

A: moles and number of atoms are related to each other by Avogadro's numberSo, one mole of every…

Q: An unknown element is a mixture of isotopes ¹²⁹X and ¹³²X. The average atomic mass of X is 130.79…

A: The isotope of the unknown element is given as 129X and 132X.  The average atomic mass of X is given…

Q: An imaginary element Xz consists of two isotopes having masses of 100.0amu and 102.0 amu. A sample…

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Q: A sample of mercury with a mass of 114.0 g was combined with 12.8 g of oxygen gas, and the resulting…

A: The reaction taking place is  2 Hg + O2 -----> 2 HgO Hence from the above reaction we can say…

Q: 2. Silver has an average atomic mass of 107.87 amu and has 2 isotopes. *Ag has a mass of 106.95 amu…

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Q: An unknown element is a mixture of isotopes ¹²⁹X and ¹³²X. The average atomic mass of X is 130.13…

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Q: (a) What isotope is used as the standard in establishing the atomic mass scale? (b) The atomic…

A: a)Atomic mass scale: It is relative scale used to determine the elements mass relative to…

Q: A sample of element Z has two naturally occurring isotopes.  The isotope Z-24 makes up 68.9% of the…

A: Interpretation: We have to calculate average atomic mass.

Q: One way in which Earth’s evolution as a planet can be understood is by measuring the amounts of…

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Q: . An element has three stable isotopes with masses of 27.977 amu, 28,976 amu, and 29.973 amu. The…

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Q: A hypothetical element, E, has two stable isotopes. One isotope has a natural abundance of 66.909%…

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Q: 1. The noble gas, neon, has three isotopes of masses, 22, 21, and 20. If the isotopes have the…

A: Average atomic mass calculation: (1) Consider the given information is as follows;…

Q: What mass of ammonia gas (NH3) contains 2.81 ✕ 1024 hydrogen atoms?

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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: 7. The atomic masses of 203TI and 205TI are 202.972320 and 204.974401 amu, respectively. Calculate…

A: Given,Atomic mass of 203TI (isotope I) = 202.972320 amuAtomic mass of 205TI (isotope II) =…

Q: The atomic masses of 6Li and 7Li are 6.0151 amu and  7.0160 amu, respectively. Calculate the natural…

A: Given data contains, Atomic mass of 6Li is 6.0151 amu. Atomic mass of 7Li is 7.0160 amu. Average…

Q: An unknown element is a mixture of isotopes ¹²⁹X and ¹³²X. The average atomic mass of X is 129.47…

A: Average atomic mass has Following formula - Average atomic mass = atomic mass of first isotope × % +…

Q: Chlorine has two naturally occurring isotopes, 35Cl and 37Cl. What is the mass number of each…

A: To find: The mass number of each isotope. Number of protons, neutrons and electrons are present in…

Q: Bromine has two naturally occurring isotopes (Br-79 and Br-81) If the natural abundance of Br-79 is…

A: Given: There are two naturally occurring isotopes of Br. The abundance of isotope 1 = 50.69 % Mass…

Q: Consider chlorine, which occurs as a mixture of two isotopes: chlorine-35, with a natural abundance…

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Q: 2. The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes. What does…

A: Answer: 75 Proton and 110 Neutron. Given,Element of Rhenium (Re) exist as two stable isotopes and 18…

Q: Argon (Ar) has three naturally occurring isotopes namely: Ar-36, Ar-38, and Ar-40. a) How are these…

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Q: Copper has two naturally occurring isotopes, 63 Cu(62.9396amu)and 65 Cu(64.9278amu). If copper has…

A: %abundance of cu63= |63.546-64.9278|÷|64.9278-62.9396| So solve it  and  27% Cu63 Same for CU65= 73%…

Q: What are isotopes? What is the percent natural abundance of isotopes?

A: Isotopes are stable as well as radioactive in nature.

Q: An element consists of two isotopes. The abundance of one isotope is 95.72% and its atomic mass is…

A: From given Mass and percentage is given . So average atomic mass is determined by using the formula…

Q: The average atomic mass of copper is 63.546 amu. Copper consists of two naturally occurring…

A: Question 2 Atomic mass of copper can be calculated using the following formula. Natural abundance…

Q: A meteorite found in central Indiana contains traces of the noble gas neon picked up from the solar…

A: The average mass of an element can be defined as the sum of each individual isotope's mass…

Q: The element boron has two stable isotopes: boron-10 (10.0129 u) and boron-11 (11.0093 u). The…

A: Given : There are only 2 naturally isotopes of boron i.e B-10 and B-11. The average atomic mass of…

Q: How many grams of Kr are there in a sample of Kr that contains 6.43×1023 atoms? A sample of Xe…

A: Hello. Since multiple questions have been posted and the questions which need to be solved haven’t…

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: A generic element, Q, has two isotopes, 195Q and 190Q, and an average atomic mass of 191.86 amu. The…

A: Given- Average atomic mass of Q = 191.86 amu Natural abundance of isotope 195Q = 38% Natural…

Q: Element R has three isotopes. The isotopes are present in 0.0825, 0.2671, and 0.6504 relative…

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

Q: At some point in the future, nuclear chemists have synthesized two stable isotopes of bohrium.…

A: Since average mass of the element is given so we can easily calculate the fraction of each isotope…

Q: An element has two naturally occurring isotopes the first isotope has an abundance of 30.37% and a…

A: With data's given Initially we are finding percentage abundance of another(second) isotope and then…

Q: Element X has two naturally occurring isotopes, 20X with a mass of 19.99 amu and 22X with a mass of…

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Q: An element has a mass of 207 and has 125 neutrons in its nucleus. How many protons and electrons…

A: The smallest unit that retains an element's attributes is defined as an atom. Atoms can't be created…

Q: Naturally occurring cobalt consists of only one isotope, 59Co, whose relative atomic mass is…

A: Given, Atomic mass of 59Co = 58.9332 Atomic mass of 60Co = 59.9338 Given mass of Co = 1.5886 g…

Q: Hydrogen sulfide is composed of two elements: hydrogen and sulfur. In an experiment, 6.500 g of…

A: a)The mass of sulfur obtained is calculated as shown below,

Q: This is the average of the atomic masses of all the different isotopes in a sample.

A: We are to discuss what the average of the atomic masses of all different isotopes of an element in a…

Q: Chlorine has two naturally occurring isotopes, ³⁵Cl and ³⁷Cl.What is the mass number of each…

A: Number of proton present in a neutral element = Number of electron present in that neutral element =…

Q: Boron has only two naturally occurring isotopes. The mass of boron-10 is 10.01294 amu and the mass…

A: Two or more distinct chemical substances of one chemical element containing equal numeral of protons…

Q: An unknown element is a mixture of isotopes 151X and 153X. The average atomic mass of X is 151.69…

A:

Q: The average mass of a carbon atom is 12.011.  Assuming you were able to pick up only one carbon atom…

A: The average mass of a carbon atom is 12.011. There are three isotopes of carbon. C-12, C-13, and…

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

A: The atomic mass and abundance of the isotopes of Ti given are,

Q: The average mass of nitrogen is 14.0067. The atomic masses of the two stable iotopes of nitrogen are…

A: Given : Atomic mass of nitrogen = 14.0067 amu Atomic mass of 14N = 14.003074002 amu Atomic mass of…

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

A: The data given about the isotopes of the titanium with the natural abundances: The abundance of…

Q: A new synthetic element is found to have two isotopes. One isotope has an abundance of 68.2% and a…

A: Given: Abundance of 1st isotope = 68.2% Abundance of 2nd isotope = 31.8 % Atomic mass unit of 1st…

Q: The element silver (Ag) has two naturally occurring isotopes:109 Ag and 107Ag with a mass of 106.905…

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Q: A atom X has two naturally occurring isotopes. One isotope has a natural abundance of 71.99% with a…

A: Mass of isotope can be calculated using formula: Atomic mass of X = (mass of isotope 1 × %isotope 1…