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# 2. Based on your experimental data cal KAl(SO4)2.nH20. in your experimental data calculated the value of...

###### Question:

2. Based on your experimental data cal KAl(SO4)2.nH20. in your experimental data calculated the value of n in the chemical formula 3. Calculate the theoretical percentage of SO2- in pure KAl(SO4)2.nH2O using a periodic table for atomic weights and the correct literature value for n. 4. Is your sample alum? Use the results of the three tests to support your answer. Discuss the accuracy of your tests and possible sources of experimental error. Mass of crucible and cover (9) s of crucible, cover, and alum before heating (9) 28.5779 30.577g 29 Mass of alum before heating (g) of crucible, cover, and alum after 1st heating (9) qa of crucible, cover, and alum after 2nd heating (g) 29.6799 pf crucible, cover, and alum after 3rd heating (9)

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