An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a relative abundance of 37.4 %%, and isotope 2 has a mass of 186.9558 amuamu. Find the atomic mass of this element. Express your answer using four significant figures.

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: 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: Consider two compounds. Compound A contains 15.7 g of sulfur and 18.6 of fluorine. Compound B…

A: Mass of fluorine in compound A = 18.6 g Mass of sulfur in compound A = 15.7 g Mass ratio of fluorine…

Q: Gallium is composed of two naturally occurring isotopes: Ga−69 (60.108%) and Ga−71. The ratio of the…

A: The elements which have the same atomic number but a different mass number are called isotopes.  For…

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

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Q: A certain element XX has four isotopes. 0.5600% of XX has a mass of 83.91343 amuamu. 9.860% of XX…

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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: Lithium has two isotopes, 6Li (mass = 6.015 u) and 7Li (mass = 7.016 u). If the average atomic mass…

A: The average atomic mass of lithium = 6.716 u The two isotopes of lithium 6Li = 6.015 ( mass )…

Q: The two isotopes of potassium with significant abundance in nature are ³⁹K (isotopic mass 38.9637…

A: NOTE : The sum of abundance of the two isotopes should be 100 %. And since the abundance values do…

Q: Describe the law of constant composition?

A: The Law of constant composition is also termed as Proust's law of definite proportion. This law…

Q: Symbol 159Tb         Protons   29     37 Neutrons   34 53     Electrons     42 34   Mass no.…

A: Given: Symbol Tb159         Protons   29     37 Neutrons   34 53     Electrons     42 34…

Q: percent abundance

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Q: Naturally occurring copper exists in two isotopic forms: 63Cu and 65Cu. The atomic mass of copper is…

A: When there is more then one isotope then the molecular weight becomes fractional due to average…

Q: Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 amu and the mass…

A: Atomic mass of Lithium is 6.941 amu Mass of Li-6 isotope = 6.01512 amu Mass of Li-7 isotope =…

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: Solve the given problem using an element that has three naturally occurring isotopes. Click on the…

A: Hey since you have posted a sub-part question, we would answer first three sub-parts only. If you…

Q: A sample of compound X (a clear, colorless, combustible liquid with a noticeable odor) is analyzed…

A: Given information, compound X - 14.13 g carbon and 2.96 g hydrogen compound Y - 19.91 g carbon and…

Q: Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 amuamu and the…

A: Given : Mass of isotope Li-6 = 6.01512 amu And mass of isotope Li-7 = 7.01601 amu The atomic mass of…

Q: Naturally occurring chlorine is composed of two isotopes: 75.76 %% Cl-35Cl-35 (mass of 34.9688…

A: The naturally occurring isotopes of Cl are : Cl-35  and   Cl-37. The naturally occurring isotopes of…

Q: In a test of the Law of Multiple proportions, two different compounds composed of elements A and B…

A: For compound X B/A = 2.33/1.00 = 2.33   For compound Y B/A = 5.83/1.00 = 5.83   Divide these two…

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: 2. The atomic masses of 35Cl (75.53%) and 37Cl (24.47%) are 34.968 amu and 36.956 amu, respectively.…

A: We'll answer the first question since the exact one wasn't specified. Please submit a new question…

Q: What is the symbol for the isotope of "Fe that possesses 31 neutrons? Express your answer as a…

A: To find: The symbol of the isotope of  55Fe which posses 31 neutrons.

Q: 1 Use the following table of abundances and masses of five naturally occurring titanium isotopes to…

A: Suppose the atomic mass of 48Ti is x, then by help of average atomic mass formula, we can calculate…

Q: 35 1. The atomic masses of 17CI (75.53%) 37 and 17CI (24.47%) were 34.968 amu and 36.956 amu,…

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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…

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

Q: If a fictitious element, X, has 2 naturally occurring isotopes; X-44 and X-46.  The atomic mass of…

A: Given: Fictitious element, X, has 2 naturally occurring isotopes; X-44 and X-46.  The atomic mass of…

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 190.9606 amu and a relative…

A: Since,    Average Atomic mass=Σmass of Isotope×% of Isotope100

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

A: Number of protons in a neutral atom is equal to its atomic number. Number of electrons in a neutral…

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

A: The atomic mass of an element is the weighted average of the masses of its isotopes. We know that,…

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: 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: . Zinc has 2 isotopes and has an atomic mass of 65.39. one of the isotopes is 64.23amu (26.0%). what…

A: As per our guidelines , we can only solve first question. Please resubmit other questions as next…

Q: What is the average atomic mass of an element that has 3 isotopes with the data below? Isotope…

A: Average Atomic mass=((molecular mass Isotope 1 x % abundance )+(molecular mass Isotope 2 x %…

Q: The relative abundance and atomic masses are 0.337% (mass = 35.978 amu) 0.063% (mass = 37.963 amu)…

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

Q: Gallium has two naturally occurring isotopes with masses 68.93 amuamu and 70.92 amuamu and has an…

A: Intensity % is proportional to % abundance of each isotope.  Hence in order to correlate %…

Q: (2) This element has three naturally occurring isotopes–35.934512 amu, 36.893327 and 38. 825622. The…

A: The average atomic weight formula is given as follows: average atomic weight=∑mass of…

Q: A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27 g carbon and…

A: Given: For compound A Mass of carbon = 4.27 g Mass of oxygen = 5.69 g For compound B Mass of carbon…

Q: Silicon (average atomic mass=28.0855amu) has three isotopes. Their masses are 27.9769amu,…

A: Given mass of silicon isotope = 28.0855 amu % abundance of highest isotope i.e  29.9738 amu = 2.96 %…

Q: 2 Most of the elements are solids at room temperature. Give three examples of elements that are…

A: Elements: It is a pure substance that consists of atoms having the same number of protons in their…

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: [Atomic mass and isotopes] An unknown element has two naturally occurring isotopes: X- 69 and X-71.…

A: Given Natural  abundance of X-71 = 49.31% Mass of X-71 = 70.9163 amu

Q: A hypothetical element, M, has four stable isotopes with the masses shown below. 109M = 108.9842…

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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: Which answer can be used to illustrate the law of multiple proportions?    a, CO2, H2CO3 b, CH4, CO2…

A: To solve this problem we need to know the Law of multiple proportion  and postulate of Dalton Atomic…

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.