a 0.241 -g sample of NaCl (molar mass=58.44g/mol) is dissolved in enough water to make 5.20 mL of solution. Calculate the molarity of the resulting solution

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?