Calculate the mass of chromium-52 in amu from the following if the average atomic mass of chromium = 51.9961. Chromium 50 Mass 49.95amu 4.40 abundanceChromium 52 Mass x amu 83.9 abundanceChromium 53 mass 52.94 9.50abundanceChromium 54 mass 53.94 2.20 abundance