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.
Each new President is nominated by the European Council and formally elected by the European Parliament, for a five-year term. Once appointed, he or she, along with the Commission, is responsible to Parliament. As of 2017, the current President is Jean-Claude Juncker, who took office on 1 November 2014. He is a member of the European People's Party (EPP) and is the former Prime Minister of Luxembourg. Juncker is the twelfth President and his First Vice-President is Frans Timmermans.