Answer:

Explanation:
Hello,
In this case, we can compute the required heat by using the following equation:

Thus, by considering the given mass, specific heat and both initial and final temperature, we obtain:

Regards.
B. sodium chloride changed the least; potassium nitrate changed the most.<span />
Hope it help you out a lot
The answer would be 0.25 g/mL.
I determined the density by dividing the mass by the volume which gives you the density. D = mass/volume.
<span>6 g / 24 mL = 0.25 g/mL
</span>