2. Oxalic acid chemical formula is C2H2O4. Oxalic acid has the formula C 2 H 2 O 4 (HOOC-COOH) so it is diprotic . What is the Structure of orthoboric acid ? lets understand the rule to calculate Equivalent weight of acid. Since there are two electrons transferred, the molar mass of oxalic acid will be divided also by 2. So, mole number - m = weight taken ÷ 126. Grignard reagent and its application in organic reactions, Important Questions CBSE Class 10 Science. =  Molecular weight /n-factor, A-1, Acharya Nikatan, Mayur Vihar, Phase-1, Central Market, New Delhi-110091. Calculate the equivalent weight of oxalic acid dihydrate. Rinse it with approximately 10 mL of the standardized NaOH solution (from Molecular Weight of oxalic acid is 90.03 g/mol. Because it can give 2 H. Therefore, the equivalent weight of the oxalic acid is 126/2 = 63. Equivalent weight (also known as gram equivalent) is the mass of one equivalent, that is the mass of a given substance which will combine with or displace a fixed quantity of another substance.The equivalent weight of an element is the mass which combines with or displaces 1.008 gram of hydrogen or 8.0 grams of oxygen or 35.5 grams of chlorine. Hence, equivalent weight of oxalic acid (H2C2O4) is (2X1 + 2X12 + 4X16)/2 = 90/2=45. {/eq} To calculate equivalent weight of oxalic acid you must have a clear concept on valency factor which we say n-factor , Equivalent weight of any molecule can be define as Molecular weight divided by n-factor , Equivalent weight. Oxalic acid has two acidic protons so its equivalent weight is $\frac{1}{2}$ its molecular weight. What is the answer if asked for only oxalic acid and not for oxalic crystalline? Since the volume is 250 ml, 1/4 of 1000 ml, so the molarity = m×4. Oxalic acid dihydrate. The EW = molecular wt/#ionizable protons. It is unstable in water. Oxalic acid chemical formula is C2H2O4. Answer B is true. Weigh 6.3g of oxalic acid accurately in the watch glass. If the solution is about to be prepared, then find the mole number of oxalic acid. 2H2O Its molecular mass is 126. 6153-56-6. Oxalic acid n-factor =. This discussion on what is the equivalent weight of crystalline oxalic acid is done on EduRev Study Group by JEE Students. Learn more about Appendix 2: Molecular and Equivalent Weights on GlobalSpec. Potassium permanganate has some impurities of manganese dioxide. Therefore, the equivalent mass of oxalic acid will be half of its molar mass, or 63.035 g. Note: Even though mass and weight, as it applies to atoms, is often used interchangeably, only mass is â¦ Apart from being the largest JEE community, EduRev has the largest solved Molecular weight=126g/mol ... so its equivalent weight â¦ Determination of Concentration of KMnO4 Solution Using Oxalic Acid, Equivalent Weight - MCQ(Solved), Chemistry (IIT-JEE and AIPMT). Question bank for JEE. 2H2O=126/2 = 63 g equiv-1. Since one mole oxalic acid releases 2 moles of electrons, the equivalent weight of oxalic acid = 106/2 = 63 (oxalic acid is dihydrated) you did not mentioned that it is 0.1N or 0.1M but i will explain you both. Calculate amount of oxalic acid used To prepare 100 ml of 0.1 solution. Oxalate may enter cells where it is known to cause mitochondrial dysfunction. What weight of hydrated oxalic acid should be added for complete neutralisation of 100 ml of 0.2N - NaOH solution 400+ + 1.3k + 1.3k + Which one among the following is the equivalent weight of sulphuric acid ? 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