Asked by Adedeji

0.5g sample of bronze containing Zn is dissolved in 100ml of acid. An aliquot of 25ml requred 10.25ml of EDTA. What is the percentage of zinc in the bronze sample?
Answered by DrBob222
Sample size in the titrated sample (25 mL) is 0.5 x 25/100 = ?

mols EDTA = M x L = ?
mols Zn = mols EDTA
grams Zn = mols Zn x atomic mass Zn
%Zn = (mass Zn/mass sample in 25 mL)*100 = ?
Answered by Sango
I need an answer
Answered by manisha
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