Chemistry, 30.07.2019 17:00 jazzy4211

Can someone me ? ? 41) the element chromium has four naturally occurring isotopes. use the relative abundance of each to calculate the average atomic mass of chromium. show your work. (3 points) 50cr = 4.34% 52cr = 83.79% 53cr = 9.50% 54cr = 2.37% 42) give the electron configuration for the chloride ion. (2 points) 43) what is the percent by mass of hydrogen in aspirin, c9h8o4? (2 points) 44) complete and balance the following equation: cd(no3)2 + nh4cl  (2 points)

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Can someone me ? ? 41) the element chromium has four naturally occurring isotopes. use the relative...