An imaginary element (x) on Mars is composed of two isotopes, 54.93% of isotope x-34 with a mass of 34.0 amu, and isotope x-37 with a mass of 37.0 amu. Calculate the atomic mass (in amu) of the element. Round and report your answer to a number with one decimal place.

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

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Q: Europium has two naturally occurring isotopes: Eu-151 with a mass of 150.9198 amu and a natural…

A: Given: Atomic mass of Eu-151 = 150.9198 amu Natural abundance of Eu-151 = 47.81% Atomic mass of Eu =…

Q: An element has the following natural abundances and isotopic masses: 2297% abundance with 27.977…

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

Q: Antimony has 2 commonly occurring isotopes. 57.21% of Antimony atoms have 70 neutrons and 51…

A: Given: Antimony has 2 isotopes For first isotope, Abundance = 57.21% , Neutrons = 70 and protons =…

Q: A fictitious element only has two naturally occurring isotopes: X and Y. Isotope X has a mass of…

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Q: Part C Rubidium has two naturally occurring isotopes: Rb-85 with mass 84.9118 amu and a natural…

A: Isotopes are the elements having same number of protons and differ in the number of neutrons, so the…

Q: An unknown element (Uk) has three isotopes, seen in the table. One of the percentage values is…

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Q: Boron (BB)  has two naturally occurring isotopes: BB-10, which has a percent abundance of 19.88 %%…

A: The above mentioned question is explained below :

Q: Given the information below, calculate the abundance and mass for the missing isotope of platinum.…

A: With datas given From the total abundance of percentage , abundance percentage is found and with the…

Q: Europium has two naturally occurring isotopes: Eu-151 with a mass of 150.9198 amu and a natural…

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Q: Variations in average atomic mass may be observed for elements obtained from different sources.…

A: The formula for fractional abundance is, Fractional abundance=0.01×Abundance(%)

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

A: Average mass = [(mass)1 × % abundance + (mass)2 × % abundance ] / 100   …(1) Average atomic mass…

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

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Q: Naturally occurring Europium (Eu) consists of two isotopes with a mass of 151amu and 153amu. If the…

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Q: The astronaut then measures the abundance of silicon on the new planet, obtaining the following…

A: Given: The given isotopes are 28Si, 29Si, and 20Si.   The natural abundance percentage and atomic…

Q: olo There are only two naturally-occuring stable isotopes of boron, the masses of which are listed…

A: We will calculate the natural or relative abundance of Boron isotopes. we will apply simple mole…

Q: Calculate the average atomic mass of oxygen using the following data: (Leave your answer in 3…

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Q: What is the average atomic mass of element X if it exists as 19.90% with a mass of 10.18 and 80.10%…

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Q: An element has four naturally occurring isotopes with the masses and natural abundances given here.…

A: An element has four naturally occurring isotopes with the masses and natural abundances given here.…

Q: (a) In the certain hydrated salt MSO34H2O, the mass percentage of H2O is 44.71%. Identify the…

A: The question is based on the concept of  Stoichiometry. we have been given a hydrate salt. we know…

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

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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: 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: À fictitious element only has two naturally occurring isotopes: X and Y. Isotope X has a mass of…

A: Average atomic mass can be calculated by the following formula. Average mass=∑mass of…

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: Which of the following could describe an element?   I II III All of them None of them

A: Matter: Matter can be defined as any component which occupies space and has mass.

Q: 25.  The average atomic masses of some elements may vary, depending upon the sources of their ores.…

A: Given,Actual mass of naturally occurring boron 10B, 10.0129 amu and 11B, 11.00931 amu.The actual…

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

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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: Which statement describes the number of protons in each atom of an element? A:The number of protons…

A: To identify: The statement which describes the number of proton in an atom of an element.

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

A: Atomic mass is the mass of an atom. It is the basic property of atom.  To calculate the atomic mass…

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: 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: Tennessine has two naturally occurring isotopes.  Tennessine-293 has an atomic mass of 292.9498 and…

A: Given  Atomic mass of Tennessine -293 ( m1 )  = 292.9498 amu Atomic mass of Tennessine - 296 ( m2 )…

Q: A hypothetical element exists as two isotopes: I = 85.50 amu and II = 88.70 amu. If the percent…

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Q: There are only two naturally-occuring stable isotopes of lithium. The mass and natural abundance of…

A: The variants of a certain element due to difference in the number of neutrons present in them are…

Q: (a) In the certain hydrated salt MSO3⋅4H2O, the mass percentage of H2O is 44.71%. Identify the…

A: Hydrated Salt -  It is a crystalline salt to which water molecules are loosely bound.  Molar mass of…

Q: Devise a system of chemical symbols that is easy to use by answering the questions below. Look up…

A: For writing chemical symbols one or two letters are used and first one is written in capital letter…

Q: How many protons and electrons are there in a neutral atom of each of the following elements? Part A…

A: The atomic number of an element tells about the number of electrons and protons present in an…

Q: Element X has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes…

A: The average atomic mass of the element can be calculated as follows :

Q: The element X has three naturally occurring isotopes. The isotopic masses (amu) and % abundances of…

A: Atomic species that have the same atomic number but different mass numbers are called isotopes.  An…

Q: An element has the following natural abundances and isotopic masses: 78.99% abundance with 23.985…

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Q: Question attached

A: Isotopes of an element have the same number of protons (atomic number) and a varying number of…

Q: A hypothetical element has only 3 isotope Isotope 1: 44.98 u Isotope 2: 48.99 u Isotope 3: 53.97 u…

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Q: Which of the following statements is not true about the element potassium? Group of answer choices…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Chemistry of Mars NASA's 1997 mission to Mars included a small robot, the Sojourner, that analyzed…

A: Given : There are 3 naturally occurring isotopes of MgO. And the abundance data of isotopes are,

Q: 9. Variations in average atomic mass may be observed for elements obtained from different sources.…

A: Two sources of Lithium have been given. Average atomic mass for each of these two sources have to be…

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

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Q: Variations in average atomic mass may be observed for elements obtained from different sources.…

A: Fractional abundance can be calculated using the formula,

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.