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Nivaldo J. Tro

5 Edition

Chapter 2, Problem 120

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Naturally occurring chlorine is composed of two isotopes: $75.76 \%$ Cl-35 (mass 34.9688 amu) and 24.24\% Cl-37 (mass 36.9659 amu). Naturally occurring oxygen is composed of three isotopes: 99.757\% O-16 (mass 15.9949 amu), 0.038\% O-17 (mass 16.9991 (dichlorine monoxide is composed of two chlorine atoms and one oxygen atom bonded together to form the $\mathrm{Cl}_{2} \mathrm{O}$ molecule. How many $\mathrm{Cl}_{2} \mathrm{O}$ molecules of different masses naturally exist? Give the masses of the three most abundant $\mathrm{Cl}_{2} \mathrm{O}$ molecules.

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Official textbook answer

Video by Isabella Miller

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02:35

Naturally occurring chlorine is composed of two isotopes: 75.76$\%$ Cl-35 (mass 34.9688 amu) and 24.24$\%$ Cl-37 (mass 36.9659 amu $)$ . Naturally oc…

03:07

Chlorine has two naturally oc…

03:12

Chlorine is naturally occurri…

02:42

Naturally occurring chlorine is $75.53 \% \mathrm{Cl}^{35}$ which has an atomie mass of $34.969 \mathrm{amu}$ and $24.47 \% \mathrm{Cl}^{37}$, which …

Transcript

in this problem, we will be discussing the concept of isotopes. So we see in the problem that we want to see how many different combinations of Sealed 2 0 molecules with different masses naturally exist. So looking first at um chlorine, there’s two different isotopes um cl 35 cl 37. So the various combinations of cl two, we can make out of this RCL 35 And see a 37, Or we could do two of the CL 35. Yeah, Are we due to the CY 37s? So we have three different combinations. And with oxygen, there’s just one oxygen in the seal to a molecule And the different sizes up his oxygen. RO 16 I was 17 And 18. So this is three combination as well. So if we multiply these together three times three equals nine. So we have nine combinations. And now we can figure out which are the three most abundant cl 20 molecules. And looking at the problem, we see that the percentage of 016 I so 16 Is extremely high at 99.757%. So are three of us abundant Cl 20…