WebSOLVED: (Spts) Part B Molar mass of unknown acid Using the volume of the second equivalence point; find the moles of acid present; and the molar mass of the unknown … WebJun 3, 2024 · The molar mass of the unknown nonelectrolyte compound is . Using the formula; ∆T = K m i. Where; K = freezing point depression constant. m = molality of the solution. i = Van't Hoft factor. Note that i = 1 since the compound is a nonelectrolyte. To find molality; Number of moles = 0.520 g/Molar mass. Let the molar mass of the unknown …
Solved DETERMINATION OF THE MOLAR MASS OF AN …
WebAug 4, 2024 · Calculate the empirical formula mass (EFM), which is simply the molar mass represented by the empirical formula. Divide the molar mass of the compound by the empirical formula mass. The result should be a whole number or very close to a whole number. Multiply all the subscripts in the empirical formula by the whole number found in … WebCalculate the molar mass of an unknown if a solution containing 1.64 g of unknown in 18.22 g of benzene froze at 1.2°C. The Kf of benzene is 5.12°C/m and its freezing point is 5.5°C. Calculate the molar mass of an unknown if a solution containing 1.64 g of unknown in 18.22 g of benzene froze at 1.2°C. easton jen schro softball catcher\\u0027s backpack
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WebJul 14, 2024 · Calculate the number of moles of solute in the solution by multiplying the molality calculated in Step 3 by the given number of kilograms of solvent. Divide the given mass of solute by the number of moles calculated in Step 4. This is your molecular mass, or number of grams per mole, from which you can often guess the identity of the mystery ... WebAug 7, 2013 · 1 Answer. Sorted by: 5. Your data is not enough to calculate molecular weight. You may have missed the mass of the solid acid you have weighed. Let's … WebIn this experiment, it is not possible to determine if the unknown acid is monoprotic, diprotic or triprotic. The titration setup allows for the determination of the molar mass of the acid, but only based on assumptions regarding how the acid donates its protons. The mass of the unknown acid used is known, but the moles of the unknown base is culver hitel harvest buffet