Which of the following combinations of substances, when combined in roughly equal amounts, will create a buffer solution? NaC₂H3O2 and NaCl HF HNO2 O HCIO4 and KCIO4 O HNO3 and NaNO3 HNO3 H2O LICIO and HCIO

You are asked to find the pH of each solution described below. A 0.50 M solution of HBrO3 A 0.030 M solution of Ca(OH)2 A 0.50 M solution of NH4Br A solution that is 0.20 M in NH3 and 0.35 M in NH4NO3 after the addition of a small amount of NaOH A solution that is 0.40 M in HCOOH and 0.30 M in NaHCOO A 0.25 M solution of CH3NH2 Options： A.weak acid B.strong acid C.weak base D.strong base E.acid salt F.basic salt G.buff by it self H.buff after add strong base I.buff after add strong acid

Classify the following salts as acidic/basic/pH neutral and write a hydrolysis equation for them where appropriate.    salt Acidic/basic/neutral Hydrolysis equation if applicable NaNO3         CsF         NH4Cl         KCl         Ba(CH3COO)2         CH3NH3I

What component do you need to add to H2CO3 to make a buffer? H2O OH- H3O+ HCO3-