Example sentence - It is important to remember hydration when planning to participate in sports.
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To stay hydrated during exercise, remember to drink plenty of water.
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.
The equation to find the mass of water lost by a hydrate during heating is: Mass of water lost = Mass of original hydrate - Mass of anhydrous compound left
Chloral hydrate is a sedative and hypnotic medication that was commonly used to treat insomnia and to sedate patients before surgical procedures. However, its use has declined due to concerns about its safety and potential for overdose.
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.