Question

1. A crucible contains 254 g of iodine . How many moles of
a) iodine molecules and
b) iodine atoms are there in the crucible?​

Answer 1

Answer:

Number of moles of an element = $\frac{Mass of element in grams}{Relative atomic mass of the element}$

Explanation:

try it out using this formula and if you cant i will give you the answer