Sulfur,the 5th most common element on Earth, is a key component of the amino acids cysteine and methionine. It has three main isotopes, 32S, 33S, and 34S. Calculate the atomic mass of sulfur.  Isotope Isotopic Mass (amu) Abundance (%) 32S   31.972071   94.9  33S  32.971458 0.8   34S  33.967897 4.3   Answer choices: 32.0659 amu 32.9705 amu 34.4398 amu 33.0699 amu 33.0701 amu

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a…

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Q: An unknown element is a mixture of isotopes ¹²⁰X and ¹²²X. The average atomic mass of X is 120.37…

A: 4. Given that,  An element X has two isotopes such as 120X and 122X. Atomic mass of 120X, MX120 =…

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: What is the mass of 4.50 x 10- Cu atoms? Multiple Choice 7.47 x 10 amu 7.47 x 10 g 4.75 g 63.55 amu

A: Calculation of mass of cu atom:

Q: 30 si Use the atomic masses on the table below to calculate Am for the change 14 2 "N. u Which is…

A: The reaction given is, =>

Q: Strontium has 4 isotopes: Sr84 with 0.56% abundance and AMU of 3.9134, Sr86 9.86% abundance with AMU…

A: Let x 1 and x2 be the abundance of Sr87 and Sr88 respectively. Then we have Strontium Isotopes…

Q: onsider an element which has 4 isotopes.  You need to identify the element using isotopic masses and…

A: Isotopes are those which have the same number of protons, but they have the different number of…

Q: For Neon the relative percent abundances and atomic masses of the isotopes are: Ne-20, 90.92%,…

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

A: Average atomic mass- Naturally occurring element exists as mixture isotopes. Isotopes are with…

Q: GLIO 3) The ratio of isotopic abundance of elements can vary throughout the solar system (Table 1).…

A: Atomic mass of any substance is given by the abundance average mass of its available isotopes.

Q: Consider 100.0 g samples of two different compounds consisting only of chromium and oxygen. One…

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Q: Boron (B; Z=5) has two naturally occurring isotopes. Find the percent abundances of 1°B and 11B…

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Q: On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes up 5.80% of naturally…

A: Given: 1)To determine the no.of atoms of 124Sn present in 27.3g of natural sample. 2) To calculate…

Q: 1. The phenomenon of isotopy is due to the number of A. Neutrons B. Electrons C. Proteins D. Protons…

A: Isotopes are atoms of the same element that have the same number of protons but different number of…

Q: An element has the following abundances and isotopic masses: 90% abundance with 20 amu, 7% abundance…

A: Average Atomic mass = (Isotopic mass×% abundance)1 +(Isotopic mass×% abundance)2 + (Isotopic mass×%…

Q: Bronze is an alloy with the following composition: Component Copper Nickel Zinc mass percentage 52.0…

A: Given  Mass percentage of Cu = 52%  Total mass of sample     = 2 gram  mass of copper              =…

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: Assume silicon has three major isotopes in nature as shown in the table below.Fill in the missing…

A: Given the details of isotopes of Silicon: Isotope Mass (u) Abundance 28Si 27.98…

Q: Question 11- Two isotopes of the element Fa occur naturally, with 282145 Fa At 23.4% (281.7 amu) and…

A: The atoms mass is the mass of neutrons and protons of an atom. The weighted average mass method can…

Q: Vanadium has two naturally occurring isotopes, 50V with an atomic mass of 49.9472 amu and 51y with…

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Q: Chorine has 2 isotopes, 35Cl and 37Cl. A fellow student calculated the natural abundances of each…

A: Answer - According to the question - Given values are - Chorine has 2 isotopes,1 = 35Cl…

Q: On earth, tin has 10 different stable isotopes. The heaviest, 12Sn makes up 5.80% of naturally…

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Q: An alloy contains 10.8 % titanium by mass and has a density of 13.98 g/cm3. Titanium-49 has an…

A: Number of atoms = 8,926,980,280,926,177,000,000 atoms. Avogadro’s constant = 6.023 × 1023 atoms.…

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

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Q: An element has the following natural abundances and isotopic masses: 81.47% abundance with 45.23…

A: As per the given data: The natural abundances and isotopic masses of three isotopes are: Natural…

Q: Antimony has two naturally occuring isotopes, Sb121 and Sb123. Sb121 has an atomic mass of 120.9038…

A: Given: Weight of isotope Sb121 = 120.9038 u Weight of Isotope Sb 123 = 122.9042 u. Average atomic…

Q: 3. What is the average atomic mass of hafnium given the following abundance information on its…

A: Average atomic mass can be determined by the equation given below: Avg.atomic mass =…

Q: chlorine has two different isotopes. one isotope has a mass of 35.00 amu and another has a mass of…

A: Average atomic mass of Chlorine depends on the relative abundance of the isotope present in the…

Q: Incomplete Chlorine has two naturally stable isotopes: 35 CI (34.968853 amu) and 37 CI (36.965903…

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Q: The element gallium (Ga) exists in two isotopic forms with the following abundances: 60.16% 69GA and…

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Q: Rubidium has two naturally occurring isotopes, rubidium-851atomic mass = 84.9118 amu; abundance =…

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

Q: Consider the table below. What is the relative abundance of isotope A? Isotope Abundance A 65 B 115…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How…

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Q: 13. Consider the table below. What is the relative abundance of isotope A? Isotope Abundance A 65 B…

A: Abundance of A (Abd A) = 65 Abundance of B (AbdB) = 115 Abundance of C (AbdC) = 20 Total Abundance…

Q: uestion 16 of 27 > atomic mass of 122.9042 u. Antimony has an average atomic mass of 121.7601 u.…

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Q: An unknown element is a mixture of isotopes ¹²⁰X and ¹²²X. The average atomic mass of X is 121.14…

A: Given : Atomic mass of X = 121.14 amu Two naturally occurring isotopes of element are ¹²⁰X and ¹²²X.…

Q: A hypothetical element, M, with average atomic weight of 35.75. M has three stable isotopes with the…

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Q: Calculate the percent abundance of each isotope of Nitrogen.

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

A: Here two isotopes of Cl is given which are  35Cl and 37Cl. Their atomic mass and % of natural…

Q: Potassium has three naturally occurring isotopes: 19 relative abundance =93.26% isotopic mass =…

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Q: Calculate the average atomic mass of oxygen. Its composition is 99.76% of atoms with a mass of 15.99…

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Q: In nature, Titanium has five stable isotopes. If the atomic masses and the relative abundances for…

A: Given, the atomic masse and their relative abundance of first four isotopes of Titanium are as…

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How…

A: Here we have to find total number of sulfur atoms present in 15500 tons of SO2 gas . Here we have to…

Q: 107Ag Two naturally occurring isotopes of silver are (relative abundance 52.00%) and 109Ag (relative…

A: Isotopes are those atoms of an element that have same atomic number but different mass number.  Mass…

Q: Calculate the average atomic mass of iron: Isotope: 54Fe; 56Fe; 57Fe; 58Fe Mass (amu): 53.940;…

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

Q: 10...oclD3D8 Formula: Avg Atomic Mass: [ (Mass)x(% abundance) + (Mass)x(% abundance) + (Mass)x(%…

A: Answer given as follows

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

A: Average atomic mass = m1f1 + m2f2 + m3f3

Q: 3. Let's try out the atomic mass equation. Suppose you have a mixture of two nitrogen isotopes. For…

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Q: Abundances 0.005% 0.720% 99.275% O a. 238.028 O b. 234 O c. 237 O d. 237.80 Relative masses…

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Q: Silver has two isotopes, one with 60 neutrons (percent abundance = 51.839%) and the other with 62…

A: Given: Silver has two isotopes. percent abundance of Isotope with 60 neutrons ( Ag47107 ) = 51.839%…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.