How many moles of NH3CI must be added to 1.5 L of 0.2 M solution of NH3 to form a buffer whose PH is 9.00 (Kb = 1.8 x 10-3) ?
16Dec - 2022
How many moles of NH3CI must be added to 1.5 L of 0.2 M solution of NH3 to form a buffer whose PH is 9.00 (Kb = 1.8 x 10-3) ?SOLUTIONKnown:V = 1,5 LPH = 9.00NH3 = 0,2 MKb = 1.8 x 10-3Asked: How many moles of NH3CI ?Answer:pOH = pKb + log (Csalt/Cbase)14 - pH = -log Kb +...
