Description
The #21 BC "Inorganic substances" set contains tiny packed "pure" ("p") or "technical" ("t") substances in amount of annual Chemistry room’s need.
| | name mass, kg
copper (2) sulphate dehydrated "p" 0.2
copper (2) carbonate dehydrated "p" 0.2
sodium carbonate "p" 0.2
sodium carbonate acid "p" 0.2
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