Chemical elements
    Physical Properties
    Chemical Properties
      Rubidium hydride
      Rubidium fluoride
      Rubidium chloride
      Rubidium bromide
      Rubidium iodide
      Rubidium chlorate
      Rubidium perchlorate
      Rubidium iodate
      Rubidium periodate
      Rubidium monoxide
      Rubidium peroxides
      Rubidium hydroxide
      Rubidium peroxide hydrate
      Rubidium sulphides
      Rubidium sulphate
      Rubidium hydrogen sulphate
      Rubidium persulphate
      Rubidium thiosulphate
      Rubidium dithionate
      Rubidium trithionate
      Rubidium tetrathionate
      Rubidium selenate
      Rubidium tellurates
      Rubidium nitride
      Rubidium hydrazoate
      Rubidium nitrite
      Rubidium nitrate
      Rubidium phosphide
      Rubidium phosphates
      Rubidium carbide
      Rubidium carbonate
      Rubidium hydrogen carbonate
      Rubidium percarbonate
      Rubidium pentaborate
    PDB 1dge-461d

Rubidium carbonate, Rb2CO3

The Rubidium carbonate, Rb2CO3, is prepared in the anhydrous state by ignition of the residue from the evaporation of a solution of rubidium hydroxide and ammonium carbonate. It melts about 837° C., and its specific heat is 0.123 between 18° and 47° C. It is very deliquescent, the heat of solution in water being 9.077 Cal. The solution is alkaline. Several hydrates have been described. The heat of formation of the anhydrous salt from its elements is 274.9 Cal.

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