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.
The element magnesium (Mg) has three stable isotopes with the following masses and abundances. isotopes amu abundance 24Mg 23.9850 78.99% 25Mg 24.9858 10.00%... show more Calculate the average atomic mass (the atomic weight) of magnesium from these data. The element magnesium (Mg) has three stable isotopes with the following masses and abundances. isotopes amu abundance 24Mg 23.9850 78.99% 25Mg 24.9858 10.00% 26Mg 25.9826 11.01%. 1 following.