3. What is the percentage of Mg in magnesium sulphate is: (atomic mass of Mg =24,S=32,0=16)?
O(a) 1
O (b) 30
(c) 60
O (d) 20
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3. What is the percentage of Mg in magnesium sulphate is: (atomic mass of Mg =24,S=32,0=16)?
O(a) 1
O (b) 30
(c) 60
O (d) 20
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