Determine the PH of 0.300M sodium hydrogen phosphate, Na2HPO4.phosphoric acid, H3PO4,contains Ka₁ = 7.5 × 10⁻³ ,Ka₂ = 6.2 × 10⁻⁸, and Ka₃ = 4.2 × 10⁻¹³

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.