(a)[1]
Write the equation for this reaction.
(b)[2]
Describe two observations that indicate the reaction is complete.
(c)[1]
State the general name for the solid collected from a solution by filtration.
(d(i))[1]
Suggest the term for a solution that cannot dissolve any more solute.
(d(ii))[1]
Suggest why a larger amount of magnesium sulfate crystallises when the solution cools.
(e(i))[1]
Name the term used for crystals that contain molecules of water.
(e(ii))[3]
Work out the value of $x$. Follow these steps: • Find the $M_r$ of MgSO$_4$. • Work out the number of moles of MgSO$_4$ produced. • Find the value of $x$ in MgSO$_4\cdot x$H$_2$O.
(f)[2]
Write the chemical equation for what happens when solid magnesium nitrate is heated.