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The amount of oxalic acid can be calculated by multiplying the molecular weight of the oxalic acid to the molarity of the solution and volume of the solution in liters. So the molecular mass of oxalic acid is 126 g/mol.

irritate and burn the skin and eyes with possible eye damage. causing coughing, wheezing and/or shortness of breath. ► Exposure to Oxalic Acid can cause headache, dizziness, nausea and vomiting, convulsions, coma and even death.