How much sodium acetate (mol) should be added to 1/4 L solution of 0.1 mol/L acetic acid solution to prepare a buffer of PH 4.76? (PKb=9.24)

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

Answer(2) electrons;

Ahigh energy (high speed) particle (alpha or beta or neutron) are shot at the target;