Hỗn hợp X gồm 7,2 gam Mg, 5,4 gam Al và 6,5 gam Zn. Hòa tan hoàn toàn X trong dung dịch HNO3 dư, thu được 1,344 lít khí N2 duy nhất (đo ở đktc). Số mol HNO3 đã tham gia phản ứng là

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

How can one make a supersaturated solution? (apex)