CH-1668
Surface area
Chemistry · Secondary 4 · Hard · Surface area
A student measures the rate of reaction between marble chips (calcium carbonate) and excess hydrochloric acid by collecting the carbon dioxide produced.
Which change will increase the rate of reaction without changing the total volume of gas produced?
Which change will increase the rate of reaction without changing the total volume of gas produced?
- Using larger marble chips of the same total mass.
- Using smaller marble chips of the same total mass.
- Using twice the volume of acid of the same concentration.
- Using half the mass of marble chips.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.