josh sears

Newest questions posted by josh sears
  1. chemistry

    Would it make a difference if calcium bromide solution is used rather than sodium solution?
  2. chemistry

    write a balanced net ionic equation fir the reactions that occurred with the metal Mg reacting with Pb2+
  3. ap chem

    What volume of 5M HF will 4g Ca react completely according to the reaction Ca+2HF-->O+CaF2+H2
  4. ap chem

    A 1.42 g. sample of a pure compound, with formula M2SO4, was dissolved in water and treated with and excess of aqueous barium chloride, resulting in the precipitation of all the sulfate ions as barium sulfate. The precipitate was collected, dried, and