Calculate the average atomlc mass of lithlum, whlch occurs as two Isotopes that RVU Mu following atomic masses and abundances in nature: 6.017 amu, 7.30% and 7.018 amu, 92.70%. В. max x desimal =o439 6.017 amu X 0.c0130 7.018 amu X cg270 6. 06 0.439+6 S06=6945(avarge atomicnmass) C. Hydrogen is 99% 'H, 0.8% ²H, and 0.2% ³H. Calculate its average atomic mass. D. Calculate the average atomic mass of magnesium using the following data for three magnesium isotopes. Isotope mass (amu) relative abundance Mg-24 23.985 0.7870 Mg-25 24.986 0.1013 Mg-26 25.983 0.1117 E. Lithium has two naturally occurring Isotopes: lithium-6 and lithlum-7. If the average atomlc mass of lithium Is 6.941 amu, which Isotope is the most abundant? How do you know?

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Calculate the average atomlc mass of lithlum, which occurs as two Isotopes that RaVu Mu
following atomic masses and abundances in nature: 6.017 amu, 7.30% and 7.018 amu, 92.70%.
В.
max x desimal
=o439
6.1017 a mu X 0. 0130
7.018 anmu X cg2 70=6 S06
0.439+6 506=69945(avarae atomic mass)
C. Hydrogen is 99% 'H, Q.8% ²H, and 0.2% ³H. Calculate its average atomic mass.
D. Calculate the average atomic mass of magnesium using the following data for three magnesium
isotopes.
Isotope
mass (amu)
relative abundance
Mg-24
23.985
0.7870
Mg-25
24.986
0.1013
Mg-26
25.983
0.1117
E. Lithium has two naturally occurring Isotopes: lithium-6 and lithium-7. If the average atomlc mass
of lithium Is 6.941 amu, which Isotope is the most abundant? How do you know?
Transcribed Image Text:Calculate the average atomlc mass of lithlum, which occurs as two Isotopes that RaVu Mu following atomic masses and abundances in nature: 6.017 amu, 7.30% and 7.018 amu, 92.70%. В. max x desimal =o439 6.1017 a mu X 0. 0130 7.018 anmu X cg2 70=6 S06 0.439+6 506=69945(avarae atomic mass) C. Hydrogen is 99% 'H, Q.8% ²H, and 0.2% ³H. Calculate its average atomic mass. D. Calculate the average atomic mass of magnesium using the following data for three magnesium isotopes. Isotope mass (amu) relative abundance Mg-24 23.985 0.7870 Mg-25 24.986 0.1013 Mg-26 25.983 0.1117 E. Lithium has two naturally occurring Isotopes: lithium-6 and lithium-7. If the average atomlc mass of lithium Is 6.941 amu, which Isotope is the most abundant? How do you know?
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