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User Dashboard xUniversity of Kentucky d www.saplinglearning.com/ibiscms/mod/ibis/view.php?id=4622576 Sapling Learning macmilan learming Destiny Young Jump to... Print Periodic Table Question 2 of 10 Available From: Due Date: Points Possible: Grade Category: Not Sct 12/8/201711:55 PM 10 Extra Credit Map General Chemistry 4th Edition University Science Books presented by Sapling Leaing Gallium is a metal which forms compounds with a wide variety of uses. Some of the applications of gallium compounds include computer gallium are used to image the human chips, light emitting diodes and lasers. Radioactive isotopes of locate tumors. One of those isotopes is "Ga with an isotopic mass of Policies Homework Naturally occurring gallium consists of two i 70.9247050 amu and an abundance of 39.892%, what is the mass number of the other isotope? You can check your answers. You can view solutions when you complete or give up on any question. You can keep trying to answer each question until you get it right or give up You lose 5% of the points available to each Number in your question for each i ncorrect attempt at that answer 10 1 100 O eTextbook Help With This Topic O Web Help & Videos Technical Support and Bug Reports Previous Give Up & View Solulian O Check Answer Next a Exit Hint 12:38 PM O Type here to search 12/4/2017

Explanation / Answer

Atomic mass of Gallium is M = 69.723 amu

The abundance of 1st isotope is 39.892%

=39.892/100= 0.39892

It's mass is 70.9247050 amu

The abundance of 2nd isotope is 100-39.892=60.108%

= 0.60108

Let it's mass is m

So M =69.723= (0.39892*70.9247050)+(0.60108m)

m= 68.92546 amu

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