Solutions of aluminium nitrate and sodium hydroxide react to produce solid aluminium hydroxide and soluble sodium nitrate.
Step 1) Write the equation with words placing the reactants on the left and the products on the right of the arrow.
Aluminium nitrate + sodium hydroxide => aluminium hydroxide+ sodium nitrate
Stpe 2) Replace the name with the chemical formula of each reactant and product in the equation.
Al(NO3)3
+ NaOH => Al(OH)3 + NaNO3
Step 3) Balance the equation
Al(NO3)3 +3 NaOH => Al(OH)3 + 3NaNO3
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3) Solutions of copper sulfate and lead nitrate react to produce solid lead sulfate and soluble copper nitrate.
CuSO4 + Pb(NO3)2 => PbSO4 + Cu(NO3)2
4) Solutions of silver nitrate and sodium chloride react to produce solid silver chloride and soluble sodium nitrate.
AgNO3 + NaCl => AgCl + NaNO3
5) Solutions of calcium nitrate and sodium carbonate react to produce solid calcium carbonate and soluble sodium nitrate.
Ca(NO3)2 + Na2CO3 => CaCO3 + NaNO3
6) Solutions of silver nitrate and sodium iodide react to produce solid silver iodide and soluble sodium nitrate.
AgNO3 + NaI => AgI + NaNO3
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Precipitation
reactions
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Aim - To observe a number of precipitation reactions and write the overall equation for each reaction. Procedure- Mix 0.1M solutions of each of the following pair of compounds. Record your prediction of what the preicipitate will be (give the name of the precipitate and its formula). Write the overall equation for each reaction.
As an extension activity write the ionic equation for each precipitation reaction above. First ask your teacher if you should attempt this and then fill in the table below. |
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