The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, ELi with a mass of 6.0151223 amuand "Li with a mass of 7.0160040 amu. What are the percent isotopic abundances of lithium?A Li = 9.87%, "Li = 90.13%B Li = 9.42%, 7Li = 90.58%Li = 8.26%, "Li = 91.74%Li = 7.49%, Li = 92.51%

Let there is x percent abundance of 6 Li and 100-x percent abundance of 7 Li

Isotope a mass amu nd Li with a mass of 7.0160040 amu. What are the percent isotopic abundances of lithium? A Li = 9.87%, "Li = 90.13% B “Li = 9.42%, "Li = 90.58% Li = 8.26%, "Li = 91.74% D Li = 7.49%, "Li = 92.51%

Isotope a mass amu nd Li with a mass of 7.0160040 amu. What are the percent isotopic abundances of lithium? A Li = 9.87%, "Li = 90.13% B “Li = 9.42%, "Li = 90.58% Li = 8.26%, "Li = 91.74% D Li = 7.49%, "Li = 92.51%

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: A sample of naturally occurring silicon consisk (isotopic mass = 27.9769 amu), Si-29 (isotopic mass…

A: The isotopes of silicon given are, 1) Si-28 with atomic mass = 27.9769 amu. 2) Si-29 with atomic…

Q: Calculate the relative atomic mass (RAM) of an element, X, whose mass spectrometer's tracc shows…

A: Relative atomic mass is the average of masses of all isotopes of element considering their…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Answer: In this question we have to calculate the average atomic mass of Ru with the help of…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

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

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

Q: Naturally occurring magnesium has an atomic mass of 24.312 and consists of three isotopes. The major…

A: The natural abundance of 25Mg is assumed to be x. The natural abundance of 26Mg is assumed to be y.

Q: The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium,a6Li…

A: It can be calculated as :-

Q: 68. Which pair of elements do you expect to be most similar? Why?(a) Ti and Ga(b) N and O(c) Li and…

A: The elements belonging to the same group exhibit similar properties. This is because the elements in…

Q: An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The other…

A: Isotope 1 has a mass of 10.013 amu and an abundance of 19.9%.Isotope 2 has a mass of 11.01 amu and…

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: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Given that Isotope Mass (amu) Relative Abundance 100Ru 99.9 48% 99Ru 98.9 52% To…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Isotopes are the species of same element having same atomic number but different atomic masses due…

Q: A certain element consists of two stable isotopes. The first has an atomic mass of 106.9051 amu and…

Q: For the following questions determine the percent abundance of each isotope. The periodic table is…

A: Given Two isotope Oxygen - 16(smaller isotope) Atomic mass = 16Oxygen - 18(larger isotope)…

Q: Calculate the atomic mass of each of the following ele- ments using the given data for the…

A: Formula to calculate average atomic mass- Average atomic mass = ∑ i=1n(mass)i (abundance)i %…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Answer:We are given percentage abundance of two isotopes of Sn along with their atomic masses and we…

Q: 2)A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: To calculate the atomic mass using the isotopic mass and their abundance, we would use the formula :…

Q: Bromine is naturally occurring as a mixture of two isotopes. One isotope has a mass of 79 amu and a…

Q: 2.) Average Atomic Mass: Given the following data, supply the average atomic mass for the element…

A: Magnesium has three isotopes and the average atomic mass of magnesium can be calculated by using the…

Q: How can iodine (Z=53) have a higher atomic number yet alower atomic mass than tellurium (Z=52)?

A: lodine (Z=53) has a higher atomic number than tellurium (Z=52). But the atomic mass of iodine is…

Q: The element chlorine (Cl) exists naturally in two isotopic forms with the following abun-dances:…

Q: On a mission to a newly discovered planet, an astronaut finds gallium abundances of 60.11 %% for…

A: The average atomic mass of an element can be calculated as shown below.

Q: Naturally occurring magnesium has an atomic mass of 24.312 and consists of three isotopes. The major…

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

Q: A particular element has 4 stable isotopes. If the first isotope has a mass of 88.830 amu and an…

A: Isotopesmass% abundanceFirst isotope88.830 amu0.020 %Second isotope89.033 amu1.890 %Third…

Q: Two isotopes of boron are found in nature: 10B has a mass of 10.01 amu, and 11Bhas a mass of 11.01…

A: Given: The atomic mass of 10B, an isotope of boron, is 10.01 amu. The atomic mass of 11B is 11.01…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Answer :- R44101u…

Q: Lithium has 2 stable isotopes Li-6 and Li-7. One of them has an abundace of 92.5% and the other has…

A: Since the atomic mass of any element is average atomic mass of its isotopes. hence the atomic mass…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Given, Isotope Mass (amu)…

Q: Calculate the average atomic mass of silver using the following data: Mass Isotope Abundance 107 Ag…

A: Using the above formula we are going to calculate the average mass of silver

Q: An element's known atomic mass is 83.45amu. It exists as three isotopes: Isotope A = (mass 78.93amu;…

A: Atomic mass of an element = 83.45 amuThree isotopes of that element are A, B and C.Percentage…

Q: An a particle, 4He2 + , has a mass of 4.00151 amu. Find the value of its charge-to-mass ratio in…

A: Given, The mass in kilograms in 1 amu is 1.66054 x 10-27 kg Calculate the mass of particle a as…

Concept explainers

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.

Question

The element lithium has an atomic weight of 6.941 amu. There are only two isotopes of lithium, ELi with a mass of 6.0151223 amu
and "Li with a mass of 7.0160040 amu. What are the percent isotopic abundances of lithium?
A Li = 9.87%, "Li = 90.13%
B Li = 9.42%, 7Li = 90.58%
Li = 8.26%, "Li = 91.74%
Li = 7.49%, Li = 92.51%

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

An element, X, has the following isotopic composition: X-200, 90%; X-199, 8.0%; and X-202, 2.0%. Its average atomic mass is closest to
Deducing Relative Abundance by Semi-Quantitative Reasoning- Without Doing Math How would I go about solving this question There are two naturally occurring isotopes of silver that exist in approximately equal proportions. One of these is 109Ag. Which of the following must be the other? 106Ag, 108Ag, or 109Ag? Explain.
How to arrange this isotopes? according to its increasing stability
thank youu! <3
An element has the following natural abundance and isotopic masses: 90.92% abundance with 19.99amu, 0.26% abundance with 20.99amu and 8.82% abundance with 21.99amu. Calculate the average atomic mass of this element.
92 93 94 96 Am Cm (247) 95 Np 238.029237.048 (244) Pu Bk (247) (243) (25 is are mass numbers of most stable isatope of the element Determine the number of sodium atoms in 49.78 g of the element.
How many atoms are in 45.6 grams of Li, 0.230 grams of Ti and 11.5 grams of Au? Please explain and round to the nearest amount of significant features.
What aspect of an element does the number of neutrons solely determine? its mass O its identity its ionic charge O its isotope a 99+ bp
a) Bromine has 2 naturally occruing isotpoes, Br-79 and Br-81. The mass of Br-79 is 78.92 amu with a percent abundance of 50.69%. If the atomic mass of bromine is 79.904 amu, calculate the mass and percent abudance of Br-81. b) How many litres of air are in a room that measures 12.0 ft x 12.0 ft and has an 8.00 ft ceiling? (1 in= 2.54 cm (exactly); 1L = 10^3 cm^3).
Give detailed Solution with explanation needed..don't give Handwritten answer...don't use Ai for answering this
Give typed full explanation
Give correct detailed Solution with explanation needed..don't give Handwritten answer