molar mass of potassium permanganate

Step 3: Think about your result. molar mass KMnO 4 = 158.04 g/mol; Unknown . Potassium Permanganate (KMnO 4) is an inorganic chemical compound. mass KMnO 4 = ? Its melting point is 240 ̊C (464 ̊F), density 2.7 g/cm3. ENDMEMO. Molar Mass: 158.0339. Potassium dichromate is an ionic compound consisting of two potassium cations and one dichromate anion. Formula: KMnO4. Formula and structure: The chemical formula of potassium permanganate is KMnO 4 and its molar mass is 158.034 g/mol. Use potassium permanganate's molar mass to find the number of moles you have % composition of Mn: 55/158=0.348=34.8%. The number of moles of anything is calculated from the mass of sample and the molar mass. g; Moles of solute is calculated by multiplying molarity by liters. KMnO4 is a strong oxidizing agent. Now, I think that you're supposed to assume that adding that much potassium permanganate to 30.0 mL of water will not change the volume of the solution. If using 400 mg tablets, add one to each 4 L of water. Then, moles is converted to grams. One mole of KMnO4 in a liter of water is 158.75 gms and is a one molar solution. Molar mass It is soluble in water. and this explanation is making this assumption. The molar mass of potassium permanganate is 158 g/mol. The molar mass of Fe(NH 4) 2 (SO 4) 2. When 119 g of potassium permanganate is dissolved into water to make 3.00 L of solution, the molarity is 0.250 M. (39+55+16x4). We calculate the molar mass of Potassium permanganate (KMnO4) by adding the atomic masses of K, Mn and O (Note: there are 4 atoms of O) The atomic masses are as follows K = 39 Mn = 55 O = 16 The molar mass of KMnO4 = 39 + 55 + 16x4 = 158 g/mol % composition of K: 39/158=0.247=24.7%. KMnO4 is a dark purple crystal at room temperature. To find the equivalent mass, divide that molar mass by the mols of electrons taken in its half reaction. The coordination geometries around the chromium atoms are tetrahedral. The molar mass of a potassium permanganate is 158.04 grams per mole.This is to say that the mass of one mole of potassium permanganate is 158.04 grams or that 6.02 x 10 to the 23rd power ions of potassium permanganate have a mass of 158.04 grams. A potassium permanganate solution is made by dissolving crystals or powder in water aiming for a 1-in-10,000 solution. Name: Potassium Permanganate. % composition O: 64/158=0.405=40.5%. That would be five. and when we have the molar mass of the KMnO4 = 158/mol we can get the number of moles of KMnO4 = mass of KMnO4 / molar mass of KMnO4 no.of moles of KMnO4 = 32.45 / 158 = 0.2 mol when the no.of moles is less than 0.35 ∴KMnO4 will not dissolve because the number of moles is less than 0.35 mol that given in the question. Potassium Permanganate KMnO4 Molar Mass, Molecular Weight. Home » Chemistry » Potassium Permanganate. Potassium permanganate tablets can also be used. First I’m assuming that the no actually means ml. 6H 2 O is 392.2 g. 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