What number of grams of sodium benzoate is necessary to mix with 10 liters of 0.15M benzoic acid to produce a buffered solution of pH equal to 4.8?(Ka=6.5x10-5).eport Abuse. pKa = - log Ka = 4.2 4.8 = 4.2 + log [C6H5COO-]/ 0.15 10 ^ 0.6 = 4.0 = [C6H5COO-]/ 0.15 [C6H5COO-]= 0.60 M moles sodium benzoate needed = 0.60 M x 10 L = 6.0 mass C6H5COONa = 6.0 mol x 144.11 g/mol= 864.6 g. Dr.A Â· 7 years ago. Thumbs up.
The White House Office of the Vice President October 26, 2017 Today, Vice President Mike Pence spoke with Austrian Foreign Minister Sebastian Kurz to congratulate him on his electoral success and the Austrian people on the successful conduct of their October 15 national elections.
Jeffrey Adam Jeff Zucker (born April 9, 1965) is the current president of CNN Worldwide. He previously served as the President and CEO of NBC Universal. Zucker has also served as an Executive in Residence at Columbia Business School. In November 2012, Zucker was picked to take over as the President of CNN Worldwide in January 2013 after Jim Walton's tenure. Zucker oversees CNN, CNN International, HLN (TV channel) and CNN Digital.