What would u call a representative particle of MnCl2

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

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.