The Hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give aluminum metal and carbon monoxide. If the yield of this reaction is 82% and aluminum ore is 71% by mass aluminum oxide, what mass of aluminum ore must be mined in order to produce 1.0 x 10 kg (1 metric ton) of aluminum metal by the Hall process? Select one: 3 a. 1.6 x 100 kg 3. b. 2.2 x 10 kg 3 C. 1.1 x 10 kg 3 d. 3.3 x 10 kg 3. e. 1.8 x 10 kg

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The Hall process for the production of aluminum involves the reaction of
aluminum oxide with elemental carbon to give aluminum metal and carbon
monoxide. If the yield of this reaction is 82% and aluminum ore is 71% by mass
aluminum oxide, what mass of aluminum ore must be mined in order to produce
3.
1.0 x 10 kg (1 metric ton) of aluminum metal by the Hall process?
Select one:
3
a. 1.6 x 10 kg
3
b. 2.2 x
10 kg
3
C. 1.1 x 10 kg
d. 3.3 x 10 kg
e. 1.8 x 1o kg
Transcribed Image Text:The Hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give aluminum metal and carbon monoxide. If the yield of this reaction is 82% and aluminum ore is 71% by mass aluminum oxide, what mass of aluminum ore must be mined in order to produce 3. 1.0 x 10 kg (1 metric ton) of aluminum metal by the Hall process? Select one: 3 a. 1.6 x 10 kg 3 b. 2.2 x 10 kg 3 C. 1.1 x 10 kg d. 3.3 x 10 kg e. 1.8 x 1o kg
the molar mass of aspirin, CHgO4
Select one:
a. 380.16 amu
b. 90.16 amu
C. none of the answers is correct
d. 280.16 amu
e. 180.16 amu
Transcribed Image Text:the molar mass of aspirin, CHgO4 Select one: a. 380.16 amu b. 90.16 amu C. none of the answers is correct d. 280.16 amu e. 180.16 amu
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