Respuesta :

This is because you are driving off the water in the hydrate as steam, when the water turns to steam, the volume increase about 800 times, so if you heat too strongly at first, this will shoot particles of hydrate out of the container. This will give an inaccurate mass at the end for any calculations. 
sebassandin

Answer:

Fast heating up causes the water to spit out (decrepitation)

Explanation:

Hello,

Fast heating up causes the water to spit out (decrepitation), this implies that the drops containing portions of the salt could get lost and subsequently the yield is dwindled. So a graduated heating up must be ejected.

Best regards.

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