anon_ch posted a question
Which of the following buffer systems would be the best choice to create a buffer with pH = 9.05? HF}/KF HNO2/KNO2 NH3/NH4Cl HClO/KClO ~for this I got NH3/NH4Cl because this would give off a buffer greater then (pH> 7.0). but I am having trouble with the second part: For the best system, calculate the ratio of the masses of the buffer components required to make the buffer. Express your answer using two significant figures. m(NH3)/ m(NH4Cl)=