Question

Henry plans to monitor the change in concentration of an acid during a chemical reaction. He wants to collect data every 0.1 seconds and then to graph his data and insert it into a text document. Which pair of tools would be best for Henry to use?

a computer and pH paper
pH paper and a graphing calculator
a computer and a concentration probe
a graphing calculator and a concentration probe

Answer 1

A computer and a concentration probe

Answer 2

A computer and a concentration probe.
This is because the time interval between readings and the amount of tasks to be performed per time interval is beyond fits the capacity of these instruments.