Cu2++2OH−→Cu(OH)2↓cap C u raised to the 2 plus power plus 2 cap O cap H raised to the negative power right arrow cap C u open paren cap O cap H close paren sub 2 down arrow
CuSO4+2NaOH→Cu(OH)2↓+Na2SO4cap C u cap S cap O sub 4 plus 2 cap N a cap O cap H right arrow cap C u open paren cap O cap H close paren sub 2 down arrow positive cap N a sub 2 cap S cap O sub 4 Ionic: spisat prakticheskuiu rabotu 2 po khimii 9 klass gabrielian
The blue precipitate dissolves, forming a clear blue solution. Cu2++2OH−→Cu(OH)2↓cap C u raised to the 2 plus
Vigorous "fizzing" or effervescence (evolution of a colorless, odorless gas). Chemical Equation: Add a few drops of HClcap H cap
HCl+AgNO3→AgCl↓+HNO3cap H cap C l plus cap A g cap N cap O sub 3 right arrow cap A g cap C l down arrow positive cap H cap N cap O sub 3 Ionic:
CO32−+2H+→H2O+CO2↑cap C cap O sub 3 raised to the 2 minus power plus 2 cap H raised to the positive power right arrow cap H sub 2 cap O plus cap C cap O sub 2 up arrow
This reaction identifies carbonates through the evolution of gas. Add a few drops of HClcap H cap C l to a solution of sodium carbonate ( Na2CO3cap N a sub 2 cap C cap O sub 3