Hòa tan 1,42 gam Na2SO4 và 3,42 gam Al2(SO4)3 vào nước được 500 ml dung dịch X. 1.Tính nồng độ mol/l các ion trong dung dịch X ? 2.Trộn 500 ml dung dịch X với 500 ml dung dịch BaCl2 0,02M. Tính khối lượng kết tủa thu được ?

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

What happens when the temperature of a solution increases?