Calculate the average atomic mass of Ga. Naturally, occurring Ga is composed of 60.0% 69 Ga, that has an atomic mass of 68.911, and 40.0% 71 Ga, that has an atomic mass of 70.931.   70.00 amu    69.92 amu   70.12 amu   69.72 amu    None of the following

Q: Potassium naturally consists of 93.10% K-39 and 6.9% K-41. Calculate the atomic mass for Potassium.

A: Given that, % abundance of K-39 = 93.10 % = 0.9310  % abundance of K-41= 6.9 % = 0.069  Then,

Q: A sample of element X has two naturally occurring isotopes. The isotope X-45 makes up 35.8% of the…

A: Isotopes are species having same atomic number but different mass number.  Given: The percentage of…

Q: Calculate the average atomic mass of Ga. Naturally occurring Ga is composed of 60.0% 69 Ga, that has…

A:

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: 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: [References] An element consists of 0.19% of an isotope with mass 135.907 u, 0.25% of an isotope…

A: Given : Mass of isotope 1 = 135.907 u  Abundance of isotope 1 = 0.19 % Mass of isotope 2 = 137.9060…

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

A:

Q: Calculate the average atomic mass for gallium if 60.00% of its atoms have a mass of 68,926 amu and…

A:

Q: 2.2 Rhenium (Re) occurs naturally in two distinct isotopes, 185 Re and 187 Re, with an average…

A:

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

A: Given information: Assuming Mass of boron sourced from turkey = 10.0129 amu Mass of boron obtained…

Q: An element consists of 1.40% of an isotope with mass 203.973 u, 24.10% of an isotope with mass…

A:

Q: Carbon exists as 3 isotopes. It is 88% C-12, 1% C-13 and 11% C-14. What is the average atomic mass…

A: average atomic mass= isotop% multiplied by atomic mass /100

Q: Back on planet Earth, elements have different isotopic distributions. The atom Chlorine ( Cl ) has…

A: Given isotopic Atomic mass of  Cl -35  = 34.968853 amu Isotopic atomic mass of Cl-37    = 36.965903…

Q: Indium has two naturally occurring isotopes: 113In, with an atomic weight of 112.904 amu; and 115In,…

A: Given: Atomic weight of 113In isotope = 112.904 amu Atomic weight of 115In isotope = 114.904 amu…

Q: Copper, which has an average atomic mass of 63.546 amu, has two stable isotopes: copper-63 and…

A: Given,Atomic mass of Copper-63 = 63.546 amuAbundance of Copper-63= 69.15%

Q: 1) Three isotopes of Silicon occur in nature: Isotopes of Silicon: Silicon-28 Silicon-29 Silicon-30…

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

Q: ne element carbon has two naturally occurring isotopes. The isotopic masses and abundances of these…

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Q: 26) An element has two isotopes. One has an atomic mass of 68.93 amu and a natural abundance of…

A:

Q: Suppose a new element is discovered and it has two stable isotopes. One isotope has a mass of 71.123…

A:

Q: Estimate the average mass of element Y, if it is composed of two isotopes. The first isotope have a…

A: Average atomic mass = f1M1 + f2M2 +… + fnMn Where f = fraction representing the natural abundance of…

Q: Titanium has five common isotopes: 46Ti (8.000%, 45.95 amu), 47 T (7.800%, 46.95 amu), 48Ti (73.40%,…

A: Given 46Ti (8.000%, 45.95 amu), 47 Ti (7.800%, 46.95 amu), 48Ti (73.40%, 47.95 amu), 49Ti (5.500%,…

Q: The element X has isotopes. The masses (atomic mass unit) and % abundances of the isotopes are given…

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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 consists of three isotopes with the following isotopic masses and…

A: using the formula of average atomic mass Average atomic mass= ∑isotope given value ×abundance /100…

Q: An element exist as 3 isotopes in nature. The isotopic masses (in amu) and percent abundance’s are…

A: The average atomic mass of element is equal to the product of the masses of the isotope and its…

Q: 19,9924 AMU is the mass of one of the three isotopes of neon equaling 90.4838%. One of the other two…

A: Here, the three isotopes of Neon is

Q: The natural isotopes of sulfur and their molar masses and mass fractions are respectively 2210S:…

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Q: Copper has two naturally occurring isotopes with atomic masses of 62.9296 u (C u) and 64.9278 u…

A: When two atoms have same atomic number and different atomic mass, such atoms are called isotopes.…

Q: 4. Copper is found in nature as two isotopes, 63Cu (69.0%) with a mass of 62.93 amu and 65Cu (31.0%)…

A: The average atomic mass of two isotopes can be calculated using the following expression:

Q: The element uranium (U) has three naturally occuring isotopes, 234^U, 235^U, and 238^U. 234^U has an…

A: The average atomic mass of uranium given by formulas : Mavg = Mass of isotopes* percentage of…

Q: Gallium has an average atomic mass of 69.72 amu and has two common isotopes 69Ga and 71Ga. If the…

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: A certain element XX has four isotopes. 5.845% of XX has a mass of 53.93961amuamu.…

A: Average mass of an element is defined as the atomic mass of the element calculated by multiplying…

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

A: The mass of 109Ag is to be calculated.

Q: Copper, which has an average atomic mass of 63.546 amu, has two stable isotopes: copper-63 and…

A: Atomic mass of copper can be calculated using the following formula.

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: 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: Silicon has three naturally occurring isotopes: Si-28 has a percent abundance of 92.23% and a mass…

A: The average atomic mass of silicon isotopes can be calculated asIsotope = Si-28amu =27.9769Abundance…

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: Since there are many more Carbon-12 isotopes found in nature, the mass of Carbon-12 should carry the…

A:

Q: It is discovered that it contains 7.759 %  by mass of  of the element oxygen (molar mass 16.00…

A: To calculate empirical formula of compound Ontarium , we first calculate moles of both Oxygen and…

Q: An unknown element X has the following isotopes: ¹²⁶X (22.00% abundant), ¹²⁸X (34.00% abundant),…

A: Average atomic mass of an element is defined as the atomic mass of the element calculated by…

Q: The element argon has three isotopes and an average atomic mass of 39.948 u. Idenitfy the most…

A: Element Ar having three isotopes one is Ar-36, second is Ar-38 and last one is Ar-40  Ar-36 have…

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

A:

Q: There are two isotopes of an unknown element, X-19 and X-21. The abundance of X-19 is 14.63%. Now…

A:

Q: The element argon has three isotopes and an average atomic mass of 39.948 u. Idenitfy the most…

A: Given that, Average  Atomic mas s of At=39.948 amu

Q: Question attached

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

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. Isotope Abundance…

A:

Q: Naturally occurring silicon consists of three isotopes with the following isotopic masses and…

A: The three isotopic masses of silicon and their relative abundance have been provided. The average…

Q: Nitrogen (N), has two naturally occurring isotopes: N-14 that has a percent abundance of 99.63 % and…

A: The atomic mass of Nitrogen = ( mass of N-14 X percent of N-14 + mass of N-15 X percent of N-15) /…

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.