Explain how the results of ernest rutherford’s gold–foil experiment showed that the atom is mostly empty space.

The gold foil experiment demonstrated that most of an atom is empty space with a very small positively charged nucleus in the middle. His result was that 99.995% α-particles were not deflected. This proved that atoms had an inner core that contained most of the mass of an atom and was positively charged.

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Answer is: the equilibrium  shifts toward the reactants, to the left side of chemical reaction.it is because lead(ii) nitrate dissociates in water: pb(no₃)₂ → pb²⁺(aq) + 2no₃⁻(aq).according to lechatelier's principle, the position of equilibrium moves to counteract thechange (more lead cations, common ion), the position of equilibrium will move so that the concentration ofproducts decrease and concentration of reactants of chemical reaction increase.read more on -