That depends on the individual chocolate cake recipe.
2 cups of pure cane sugar
That depends on the individual chocolate cake recipe.
It depends exactly on the type of cake, but one serving of average chocolate cake is usually about 200 to 300 calroies.
1 chocolate snack cake has around 170 calories. If you ever have any more calorie related questions, try going to the website calorieking.com.
about 260 calories per slice.
300-400
It depends a lot on factors of the cake, such as icing, layers, fillings, decorations (sprinkles, shaved chocolate, piping, ect.) and they type of cake (milk chocolate, baking chocolate, dark chocolate, ect.). Generally, a small slice of fairly simple and plain chocolate cake will be about 200 calories. A large slice can be about 400 calories. But a more complex cake can be up to 700 or 800 calories a slice.
That depends oh how big is the slice and how many are there but i think this site might be helpful: http://caloriecount.about.com/calories-stater-bros-double-chocolate-cake-i115093
2 cups of pure cane sugar
The average chocolate bar has 210 calories. The average slice of chocolate cake (commercially prepared, with frosting) has about 250 calories. Just remember: these numbers aren't exact, and the actual numbers can vary depending on the brand, recipe, etc.
I would say there is about 250 calories in a piece of white cake with frosting.
about 294 calories
Figis Chocolate Mousse Cake has 150 calories.
432 calories per slice
There are about 20 grams in an average sized slice of chocolate cake. :D
There are about 1,500-2,500 calories in a full chocolate cake, depending on the size of the cake and the recipe used.