A student investigates the rate of reaction between marble chips (calcium carbonate) and dilute hydrochloric acid at 25 ∘C25\text{ }^\circ\text{C}25 ∘C. \nThe\nThe\nThe experimental apparatus used to collect and measure the volume of carbon dioxide gas produced is shown in Figure 1.
State one improvement that can be made to the collection apparatus in Figure 1 to obtain a more precise measurement of the volume of gas collected.
