A buffer solution contains 0.306 M KH2PO4 and 0.230 M K2HPO4. If 0.0360 moles of sodium hydroxide are added to 225 mL of this buffer, what is the pH of the resulting solution

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.