<span>Average mass of a kernel of popcorn = 0.125 g </span><span>1 pound = 16 ounces, and 1 ounce = 28.3 g </span><span>how many kernels of popcorn are there in 0.500 pounds of popcorn = ? 0.500 pound = 16 x 0.500 ounces = 8 ounces 8 ounces = 8 x 28.3g = 226.4 g Now divide this quantity by average mass; 226.4 / 0.125 = 811.2 kernels of popcorn</span>