A volume of 500.0mL of 0.120M NaOH is added to 615mL of 0.200M weak acid (Ka=6.74x10^-5). What is the pH of the resulting buffer?
HA(aq)+OH^-(aq)—> H2O(l)+A^-(aq)

How have the greenhouse gasses increased from the year 2000 to 2018

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.