Question

how many atoms of iodine are in a mole of iodine? 126.9 63.55g 6.02×10²³ 53

Explanation:

Step1: Define Avogadro's number

Avogadro's number ($N_A$) is $6.02\times 10^{23}$ particles per mole.

Step2: Apply to iodine

One - mole of any substance contains $6.02\times 10^{23}$ entities (atoms, molecules etc.). For iodine, one mole of iodine atoms contains $6.02\times 10^{23}$ iodine atoms.

Answer:

C. $6.02\times 10^{23}$