7. A solution contains 40.3g of a substance XOH per liter .250.0cm3of this solut

7. A solution contains 40.3g of a substance XOH per liter .250.0cm3of this solution required 30.0cm3 of 0.3M sulphuric(VI)acid for complete neutralization. (a) Calculate the number of moles of XOH that reacted. (b) Determine the relative atomic mass of X.
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