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?

Answer 1

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 = ?

Answer 2

I need an answer

Answer 3

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