Answer:

Explanation:
The formula for the amount of heat absorbed by a substance is
q = mCΔT
Thus, the three factors are the
- mass
- specific heat capacity
- temperature change
The only factor that is on your list is

The shape of the substance has no effect, nor do its melting and boiling points.
Answer:

Explanation:
Assume 100 g of solution.
Then you have 10.0 g of NaCl and 90.0 g of water.

1. Moles of NaCl

2. Kilograms of water

3. Molal concentration
