12. Si on mélange 20,00 g d'hydroxyde de sodium avec une quantité suffisante de nitrate de fer(III),
Fe(NO3)3(aq), on obtient une solution claire et un
précipité jaune. Quelle est la masse du précipité?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules