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- #Some basic concepts in chemistry
Aluminum sulfate, Al2(SO4)3, is an ionic compound that is used in the manufacture of paper and in various water purification processes. What is the formula mass (amu) of this compound?
Option: 1
344
Option: 2
342.14
Option: 3
341
Option: 4
345
Answers (1)
Formula mass of Al2(SO4)3 = 2 X 26.98 + 3 X 32.06 + 3 X 4 X 16 = 342.14 amu.
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