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17 Ιουν 2021 · The Amount of Water and Anhydrous Compound Calculator uses the mass of the sample, moles of water, moles of anhydrous compound, and the molecular weights of water and the compound to find the theoretical weight of the anhydrous compound and water.
Formula of a Hydrate (\(\text{Anhydrous Solid}\ce{*}x\ce{H2O}\)) The formula of a hydrate can be determined by dehydrating a known mass of the hydrate, then comparing the masses of the original hydrate and the resulting anhydrous solid.
The formula of the anhydrous compound was determined to be CuSO 4. Calculate the formula of the hydrated compound. Solution: 1) Assume 100. g of the hydrate is present. That means this: CuSO 4---> 74.7 g H 2 O ---> 25.3 g. 2) Change to moles: CuSO 4---> 74.7 g / 159.607 g/mol = 0.468 mol H 2 O ---> 25.3 g / 18.0 g/mol = 1.406 mol. 3) Divide by ...
7 Ιουν 2024 · The degree of hydration can be calculated from experimental results: The mass of the hydrated salt must be measured before heating; The salt is then heated until it reaches a constant mass; The two mass values can be used to calculate the number of moles of water in the hydrated salt - known as the water of crystallisation
This program determines the molecular mass of a substance. Enter the molecular formula of the substance. It will calculate the total mass along with the elemental composition and mass of each element in the compound.
30 Απρ 2018 · Divide the mass of your anhydrous (heated) salt sample by the molar mass of the anhydrous compound to get the number of moles of compound present. In our example, 16 grams / 160 grams per mole = 0.1 moles.
4 Οκτ 2024 · This calculator helps to determine the mass of a hydrated salt given the mass of the anhydrous salt, the molecular weight of the anhydrous salt, the number of water molecules per formula unit of the hydrated salt, and the molecular weight of water.
