How many formula units in 3.56 g magnesium phosphate

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?

Which characteristics can be used to differentiate star systems? check all that apply.

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.