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Iron (III) oxide chunks contain 80 ppm silica (SiO2). What is the concentration of this impurity in mass%?

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MCQs on solutions types and concentration, solubility solutions, liquid solutions vapour pressure, ideal and non ideal solutions, abnormal molar masses, colligative properties and molar mass determination.
 


Iron (III) oxide chunks contain 80 ppm silica (SiO<sub>2</sub>). What is the concentration of this impurity in mass%?






 
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