Bts forever average atomic mass of magnesium using the following data forthree magnesium isotopes.IsotopeMg-24Mg-25Mg-26mass (u)23.985% abundance78.724.98610.1325.983(23.985 X.787)+(24.986 x-1013)-125983 X.ll7)LITTThree isotopes of silicon occur in nature: silicon-28 (27.98 amu) is 92.21 %,silicon-29(28.98 amu) is 4.70% and a third isotope. What is the mass of the thirdisotope is the average atomic mass is 28.09 amu? (Hint: Find the percent first.) 2(2798x.9221)(28.98x.0410)(X X)100-92-2Calculate the percent abundance of carbon-14 with a mass of 13.97 u and c12 with a mass of 11.93u if the atomic mass is 12.01 u. Assume no other i11:93(100-7)131

Since you have posted multiple questions without specified question number , so as per guidelines we…

Answered: using the following data for lée…

using the following data for lée magnesium isotopes. Isotope Mg-24 Mg-25 Mg-26 % abundance 23.985 (2) SSD 10.13 11.17 24.986 25.983

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...

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Question

Bts forever

average atomic mass of magnesium using the following data for
three magnesium isotopes.
Isotope
Mg-24
Mg-25
Mg-26
mass (u)
23.985
% abundance
78.7
24.986
10.13
25.983
(23.985 X.787)+(24.986 x-1013)-125983 X.ll7)
LITT
Three isotopes of silicon occur in nature: silicon-28 (27.98 amu) is 92.21 %,
silicon-29(28.98 amu) is 4.70% and a third isotope. What is the mass of the third
isotope is the average atomic mass is 28.09 amu? (Hint: Find the percent first.) 2
(2798x.9221)(28.98x.0410)(X X)
100-92-2
Calculate the percent abundance of carbon-14 with a mass of 13.97 u and c
12 with a mass of 11.93u if the atomic mass is 12.01 u. Assume no other i
11:93(100-7)
131

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