How to find equivalent weight if mass percentage is given?
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Explanation:
Equivalent weights may be calculated from molar masses if the chemistry of the substance is well known: sulfuric acid has a molar mass of 98.078(5) g mol−1, and supplies two moles of hydrogen ions per mole of sulfuric acid, so its equivalent weight is 98.078(5) g mol−1/2 eq mol−1 = 49.039(3) g eq−1.
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For a solution, mass percent equals the mass of an element in one mole of compound divided by the molar massof the compound, multiplied by 100percent.
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