Issued as a cumulative or non-cumulative L/C, the former allows for unused credit amounts to rollover into subsequent periods while the latter maintains a fixed amount of credit available each period.
average atomic mass of magnesium is 24.3 g/mole so 24.3 X 1.56 X1021 / 6.02 X1023 = .063 grams.
Question: The most common isotope of magnesium has a mass nu... The most common isotope of magnesium has a mass number of 24, but two other isotopes having mas numbers of 25 and 26 are also known.