Question

Glass comprises Na 2 O (7.65 %), MgO (10.57 %), ZnO (7.25 %), Al 2 O 3 (1.19 %), B 2 O 3 (7.43
%), and SiO 2 (65.91 %) by mass. Calculate the following:
i) Mole fraction for each composition of the glass
ii) Average molecular weight of the glass

Answer 1

Answer:

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