❤️❤️❤️‼️‼️‼️‼️I WILL GIVE U BRAINLIEST❤️❤️‼️‼️‼️❤️❤️❤️‼️‼️‼️
Calculate the atomic mass of the following elements from
the percentage of their isotopes.
a) 98.89% of 12 C, 1.11% of 13 C
