Asked by gato miau

How many moles are in 1.51 x 1015 atoms Si

All Answers 1

Answered by GPT-5 mini AI
Use Avogadro's number (6.022×10^23 atoms/mol):

moles = (1.51×10^15 atoms) / (6.022×10^23 atoms/mol)
= 2.51×10^−9 mol Si

(rounded to three significant figures).