Potassium Chloride is a metal halide composed of potassium and chloride. Therefore, a 3 molar solution would contain 74.5 x 3 = 223.5g KCl per liter. Potassium chloride (also known as Sylvite, KCl, or potassium salt) is a metal halide salt composed of potassium and chlorine.It is odorless and has a white or colorless vitreous crystal appearance. What could be the purpose of such a question in a test? We need to prepare a 3M solution in 500 ml. (The molar mass of NaOCl = 74.44 g/mol and the molar mass of H 2 O is 18.02 g/mol.) The molar mass of KCl is 74.55 g/mol. You already have two good answers, so the only possibly useful comments I could add are given below. Massa molar of KCl Massa Molar, Peso Molecular e Calculadora da Composição Elementar Do a quick conversion: 1 moles KCl = 74.5513 gram using the molecular weight calculator and the molar mass of KCl. This means that a 1molar solution would contain 74.5g KCl per liter. Just simple math here. Examples: Fe, Au, Co, Br, C, O, N, F. You can use parenthesis or brackets []. What is the mole fraction of the NaOCl in a 6.75 m solution of NaOCl in water? Calculate the molality of 2.0 M MgCl 2 solution. Preparation of solutions calculator is a useful tool which allows you to calculate how many solid chemicals or stock solutions you will need to prepare the desired solution. Finding Molar Mass. Periodic table of the elements; Chemistry calculators; ... Molar mass = 74.549 g/mol . It will calculate the total mass along with the elemental composition and mass of each element in the compound. Explanation of how to find the molar mass of KCl: Potassium chloride. Add up the results from multiplying the numbers to obtain the molar mass for the compound. If we mass 5.36 g of KCl and dissolve this solid in 56 mL of water, what is the molality of the solution? The density of the solution is 1.127 g/mL. Calculating Molality Given Mass. We will first need to calculate the amount of moles present in 5.36 g of KCl: If 8.45 g KCl are dissolved in 0.750 L of solution, what is the molarity of the solution? The solid dissolves readily in water, and its solutions have a salt-like taste.Potassium chloride can be obtained from ancient dried lake deposits. Check the chart for more details. Now, 1 liter has 1000 ml in it. Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. Multiply the number of atoms for each chemical multiplied by the atomic mass. Remember that molality is moles of solute/kg per solvent. The molar mass of KCl can be calculated by taking the sum of the individual molar masses of potassium and chlorine atoms. Calculate for molar mass. Does the instructor want to figure out if you can add? 1. The molar mass of KCl is 74.5 (39+35.5). (The molar mass of KCl = 74.55 g/mol and the molar mass of H 2 O is 18.02 g/mol.) Preparation of KCl solution. 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