calcined alumina is Al2O3 and alumina hydrate is Al2O3. 3H2O. It's difference in the molecule structure.
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Calcined alumina is produced by heating alumina hydrate to high temperatures, which removes the chemically bonded water and results in a more pure form of alumina. Alumina hydrate, on the other hand, contains chemically bonded water molecules and is typically used as a flame retardant or filler material due to its lower processing temperature and cost effectiveness.
To find the experimental percentage of water in the hydrate, we need to calculate the mass of water lost during dehydration. Mass of water lost = 1.632 g - 1.008 g = 0.624 g Experimental percentage of water = (mass of water lost / initial mass of hydrate) x 100% = (0.624 g / 1.632 g) x 100% ≈ 38.24%
To calculate the percent water in a hydrate, you first determine the mass of water in the hydrate by subtracting the mass of the anhydrous compound from the mass of the hydrate. Then, divide the mass of water by the total mass of the hydrate and multiply by 100 to get the percentage.
Hematite is a common iron oxide mineral that typically has a red to silver-gray color, whereas megatite is a term that does not correspond to a known mineral. It is possible that there has been a typographical error or misidentification.
For sodium sulfate decahydrate (Na2SO4·10H2O), on heating, 10 moles of water molecules will be driven off per mole of the hydrate. Each formula unit of the hydrate contains 10 water molecules.
hydrate. It means that the compound has water molecules incorporated within its crystal structure. In this case, the compound is a hydrate of barium chloride.