What mass of precipitate would be expected from the reaction of 20. 0 ml of a 0. 285 m sodium carbonate solution with excess iron (ii) chloride? write a balanced equation, including physical states.

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.