Name apparatus A.
Name the other piece of apparatus that should be used with A to measure $25.0\,\text{cm}^3$ of L.
Why is apparatus A used instead of a measuring cylinder?
Name apparatus B.
Which liquid is used to wash out the burette immediately before it is filled with R?
What is the colour change of the methyl orange indicator at the end-point? The colour changes from ................. to ................. .
Use the diagrams to fill in the table.
Why was it unnecessary for the student to do a third titration?
Calculate the number of moles of $\text{NaOH}$ in the average volume of $0.100\,\text{mol dm}^{-3}\ \text{NaOH}$ used in the titration. Give your answer to three significant figures.
Dilute sulfuric acid reacts with aqueous sodium hydroxide according to the equation shown. $\text{H}_2\text{SO}_4 + 2\text{NaOH} \rightarrow \text{Na}_2\text{SO}_4 + 2\text{H}_2\text{O}$ Calculate the number of moles of $\text{H}_2\text{SO}_4$ in $25.0\,\text{cm}^3$ of M.
Calculate the number of moles of $\text{H}_2\text{SO}_4$ in $500\,\text{cm}^3$ of M.
Calculate the number of moles of $\text{H}_2\text{SO}_4$ in $25.0\,\text{cm}^3$ of L.
Calculate the concentration of $\text{H}_2\text{SO}_4$ in L.
State and explain whether the second student’s titration volume of $\text{NaOH(aq)}$ would be smaller, larger or unchanged compared with the first student’s titration volume of $\text{NaOH(aq)}$.
State and explain whether the third student’s titration volume of $\text{NaOH(aq)}$ would be smaller, larger or unchanged compared with the first student’s titration volume of $\text{NaOH(aq)}$.