How many kilocalories (Calories) does the snack bar contain?

See the explanation below.

Explanation:

Attached is a picture of a chocolate bar that can be easily found on the market. In this picture, we see the table of contents with the amount of energy that depends on the mass in grams of the chocolate bar.

We see that for the bar size of 100G, the energy value is 483 [kcal].

We can see that the energy depends on the size of the chocolate bar.

403.63

Explanation:

I'm assuming you were asking for the last question on the Calorimetry gizmo.

hypothesising or postulating