When sodium hydroxide is mixed with zinc nitrate, a precipitate forms. What mass of precipitate can be produced from mixing 100.0 ml of 0.250 M Na0H is mixed with excess zn no3 2?

What is the maximum amount of al2(so4)3 which could be formed from 15.84 g of al and 12.89 g of cuso4?

1. list three scientific reasons cockroaches may fly.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.