Answer:
Number of atom = 6.022 x 10²³
Step-by-step explanation:
Given:
Mass of manganese = 54.94 gram
Find:
Number of atom
Computation:
Number of atom = [Mass of manganese / Atomic mass of manganese]Avogadro's number
Number of atom = [54.94 / 54.94]6.022 x 10²³
Number of atom = 6.022 x 10²³
