January 2021 1 153 Report
bjr j'ai besoins d'aide
un morceau de fer contient 1,2×10^23 atomes. calculer la quantité de matière conrrespondante. mrc d'avance
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Lista de comentários


Helpful Social

Copyright © 2024 ELIBRARY.TIPS - All rights reserved.