(a)[2]
Write the chemical equation that represents this reaction.
(b)[2]
Describe two observations that occur during this reaction.
(c)[1]
State the general term for the solution obtained after filtration.
(d(i))[2]
Suggest the meaning of the term saturated solution.
(d(ii))[1]
Describe how crystals are produced from a hot saturated solution.
(e(i))[1]
State the term used to describe calcium nitrate after its water molecules have been removed.
(e(ii))[3]
Determine the value of $x$. Follow these steps. • Find the $M_r$ of $\text{Ca(NO}_3\text{)}_2$. • Work out the number of moles of $\text{Ca(NO}_3\text{)}_2$ formed. • Determine the value of $x$ in $\text{Ca(NO}_3\text{)}_2\cdot x\text{H}_2\text{O}$.
(f)[2]
Write the chemical equation for what happens when solid sodium nitrate is heated.