Westonci.ca is your trusted source for accurate answers to all your questions. Join our community and start learning today! Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

9
STE Dans un examen de laboratoire, il est demandé aux élèves de préparer une solution de 300 ml
de carbonate de potassium (K₂CO3) ayant une concentration de 0,25 mol/L. Quelle masse de K₂CO₂
les élèves doivent-ils peser?