To measure the specific heat capacity of a copper sulfate solution, one can use the equation q = mcΔT, where q is the heat absorbed or released, m is the mass of the solution, c is the specific heat capacity, and ΔT is the change in temperature. The experiment involves heating or cooling the solution and measuring the temperature change accurately. It is essential to ensure that the mass of the solution is known and that the heat transfer is effectively measured. The discussion emphasizes the need to isolate the variable 'c' and suggests focusing on how to quantify the other parameters involved in the equation. Understanding these concepts is crucial for successfully conducting the experiment.