What Happens to Lanthanum Hydroxide When Heated to 900°C in Oxygen?

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ralden
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Hey guys!, I just want to know what will happen when you heat up lanthanum hydroxide La(OH)3 from 20 degree Celsius to 900 degree Celsius in a furnace with O2 gas. Is the mas of La(OH)3 increases? and why? thanks in advance!
 
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ralden said:
mas of La(OH)3 increases?
No. It dehydrates.
 

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