How many grams ion of so4 2 present in 1.5 moles of al2(so4)3?
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Each molecule of aluminum sulfate is composed of 2 aluminum molecules and 3 sulfate molecules. Therefore 1.5 moles of aluminum sulfate contains 2x1.5 = 3 moles of aluminum and 3x1.5 = 4.5 moles of sulfate.
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