A bottle of wine contains 0.21 moles of ethanol, C2H5OH. The volume of the solution is 0.1 L. Calculate the molarity.

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

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.

What is the independent variable in this investigation? mass volume sample number substance density