What mass of NH4Cl must be added to 0.750L if a 0.100M solution of NH3 to give a buffer solution with a pH if 9.26? (Hint: Assume a negligible change in volume as the solid is added.)

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers