8) Bauxite is an ore that contains the element aluminum. If you obtained 108 gra

Question

8) Bauxite is an ore that contains the element aluminum. If you obtained 108 grams of aluminum from 8 an ore sample that initially weighed 204 grams, what is the mass percent of aluminum in this bauxite ore? SHOW ALL WORK A) 52.9 B) 47.1 C) 0.53 D) 15.6 9) When elements combine to form compounds: A) their properties change completely B) their properties do not change. C) their properties are completely random. D) their properties are an average of all elements in the compound. E) none of the above 10) What is the correct formula for a compound that has three oxygen atoms and one sulfur atom? A) O3S B) SO3 C) SO3 D) 30S E) none of the above cudrogen gas? SHOW ALL WORK

Explanation / Answer

Ans 8= mass percent of aluminum =( mass of aluminum/mass of bauxite)*100

                                                       =(108/204)*100= 52.94

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