Which of the following pairs of aqueous solutions will form a precipitate when mixed? a. hcl + liohb. mgcl2 + kohc. li2s + hcld. k2co3 + hno3e. all of these solution pairs will produce a precipitate

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.

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?