Please Help! a buffer solution is prepared by adding NH4Cl to a solution of NH3. what happens if HCl is added?​

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

What does the cell nucleus do or, how does it function?

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?