Chemistry, asked by harshapala7291, 1 year ago

Calculate the percentage of pure aluminum in 10kg of aluminium oxide [Al2O3] of 90% purity .[ Al=27,O=16]

Answers

Answered by shylavijayan
75
Al2O3= 27*2+16*3=54+48=102g.

102g Al2O3 contains                        54g of pure Al

9000g Al2O3 contains                       ?

(54*9000)/102 =4764.70g or 4.76470kg

% of pure Al2O3 =     (4.764*100)/100=  47.64%







Answered by nishanth69
11

Answer:

Al2O3= 27*2+16*3=54+48=102g.

102g Al2O3 contains                        54g of pure Al

9000g Al2O3 contains                       ?

(54*9000)/102 =4764.70g or 4.76470kg

% of pure Al2O3 =     (4.764*100)/100=  47.64%

Explanation:

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