This reaction requires 5 electrons and 8 (!) Calculate the following:Mass fraction of Cl in calcium chlorate. What is Potassium Permanganate? KMnO4 K= Mn= O= molar mass K = 39. molar mass Mn = 55. molar mass O = 16. molar mass KMnO4 = 39 + 55 + ( 4 x 16)= 158 Convert grams Potassium Permanganate to moles or moles Potassium Permanganate to grams. Potassium permanganate was further added until the solution turned pink. • Mass % of Manganese = 55g x 100% 158g Mass % of Manganese = 0.348 x 100% Mass % of Manganese = 34.8% C = 2.87g H = 0.54g 2.87g C x 1 mole C = 0.24 mole C 12 g C 0.24 mole C 0.54g H x 1 mole H = 0.54 mole H 1g H 0.24 mole H 3.41g/mole = 1 = CH 2 = 2 C = 12g H 2 = 2g 30g/mole O = 16g 30g/mole … Our tutors have indicated that to solve this problem you will need to apply the Mass Percent concept. O= 16 g/mol x 4 = 64 g/mol. Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert from weight to number of moles and vice versa. What is the M (molarity) of the KMnO4 solution? One-stage technology of receiving potassium permanganate from manganese dioxide has been suggested by an author of American patent [5]. This technology consists of electromechanical oxidation of MnO2 suspension in solution of potassium hydroxide with implementation of katode in porous container and high concentration of alkali (10–25 mole/dm3) inside the container. 1 Answer. Its melting point is 240 ̊C (464 ̊F), density 2.7 g/cm3. Permanganate ion reduces to a manganese(II) ion in the acidic solution. Calculate the molecular mass of potassium permanganate (KMnO4) Atomic masses: K=39 0u, Mn=55 0u, O=16 0u - Science - Atoms and Molecules Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, water, nitric acid, potassium permanganate, ethanol, fructose. Calculate the % purity: observed % C2O42 − theoretical % C2O42 − x 1 0 Show transcribed image text. Continuous exposure to 0.5 mg KMnO4 or exposure to 1 or 2 mg KMnO4/L on alternate days did not cause a significant incr in manganese in axial muscle or liver tissue. Determine the estimated demand of potassium permanganate. See the answer. What professor is this problem relevant for? The elemental composition of potassium permanganate is: - oxygen: 40,52 5 - manganese: 34,80% - potassium: 24,68 % Molar mass of KMnO4 = 158.033949 g/mol. What is the weight/volume percentage concentration of this solution in g/100mL? Potassium permanganate fine "eats" into the metal and can seriously damage, for example, a metal sink, a bathroom and a T.T. Ammonium dihydrogen phosphate, formed from the reaction of phosphoric acid with ammonia, is used as a crop fertilizer as well as a component of some f... Hemoglobin, a protein in red blood cells, carries O 2 from the lungs to the body’s cells. 3H 2O. mass percent = mass component total mass × 100. 2.0 L of an aqueous solution of potassium chloride contains 45.0 g of KCl. Relevance. Join thousands of students and gain free access to 46 hours of Chemistry videos that follow the topics your textbook covers. It is soluble in water. The percentage mass of Manganese is 34.76%. This reaction requires 5 electrons and 8 (!) Calculate the % purity: observed % C2O42 − theoretical % C2O42 − x 1 0 1 decade ago. Adult channel catfish Ictalurus punctatus were exposed to waterborne potassium permanganate for 12 wk to determine if such exposure would alter the manganese content of axial muscle or liver tissue. See the answer. 0 0. Example: A water system's analytical results indicate an iron level of 4.1 mg/L and a manganese level of 0.84 mg/L. Clutch Prep is not sponsored or endorsed by any college or university. Adult channel catfish Ictalurus punctatus were exposed to waterborne potassium permanganate for 12 wk to determine if such exposure would alter the manganese content of axial muscle or liver tissue. 3H 2O. Causes respiratory tract irritation with … % composition of Mn: 55/158=0.348=34.8%. How do I calculate this? 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