Description of experiment
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Needed compounds:
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phosphoric acid : H3PO4
Class:
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elem=P
coordination
Summary:
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When phosphoric acid is mixed with water, then some heat is produced, but
this is much less than the heat, produced on mixing water with sulphuric
acid.
Description:
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Mix approximately equal amounts of phosphoric acid (appr. 85% by weight)
with water: Both liquids can be mixed and the temperature rises noticeably.
The liquid becomes luke-warm.