subject
Chemistry, 29.07.2020 14:01 DenniJ19

Q7. Aluminum is extracted from the ore bauxite, which is impure aluminum oxide. 1 tonne (1000 kg) of the ore was found to have this composition: 1. aluminum oxide 825 kg 2.iron(III) oxide 100 kg 3.sand 75 kg (a): What percentage of this ore is impurities?
(b): 1 tonne of the ore gives 437 kg of aluminum.
(i): How much aluminum will be obtained from 5 tonnes of the ore?
(ii): What mass of sand is in this 5 tonnes?
(c): What will the percentage of aluminum oxide in the ore be, if all the iron (III) oxide is removed, leaving only the aluminum oxide and sand?

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 03:30, chrismeldajbaptiste
Calcium chloride +gold(1) oxide—>
Answers: 1
image
Chemistry, 22.06.2019 03:50, daniel9299
Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
image
Chemistry, 22.06.2019 12:00, broang23
  the mississippians were considered to be  horticulturalists, which means they were
Answers: 1
image
Chemistry, 22.06.2019 14:30, villarrealc1987
In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never
Answers: 2
You know the right answer?
Q7. Aluminum is extracted from the ore bauxite, which is impure aluminum oxide. 1 tonne (1000 kg) of...

Questions in other subjects:

Konu
Mathematics, 16.04.2020 20:30