Unsweetened Baking Chocolate WP2

Nutrition Facts: calories:642 How long would it take to burn off those 642 KCal from Unsweetened Baking Chocolate based on your personal gender,weight at ?Sweets Fat(g):52.31 Saturated Fats(g):32.277 Carbohydrates(g):28.42 Fiber(g):16.6 Sugars(g):0.91 Protein(g):14.32 Cholesterol(mg):2 Calcium(mg):101 Iron,Fe(mg):17.4 Potassium, K(mg):830 Magnesium(mg):327 Vitamin A, IU (IU):0