Which of the following buffers will have the lowest pH?
A) a solution containing 0.20 M HC2H3O2 and 0.20 M NaC2H3O2
B) a solution containing 0.25 M HC2H3O2 and 0.15 M NaC2H3O2
C) a solution containing 0.15 M HC2H3O2 and 0.25 M NaC2H3O2
D) They all have the same pH.
B
You might also like to view...
Innovations in agriculture have increased food supply. This has allowed human populations to grow to approximately ________ by the end of the agriculture period
A) 100 million B) 1 billion C) 1.5 billion D) 1 million E) 500 million
Which of the following represents a Millennium Development Goal that is still not close to being achieved?
A) Universal primary education B) Reduced child mortality C) Increased access to clean drinking water D) Reversal of the incidence of malaria and other major diseases
If you wanted to locate hot spots on Earth, which of the following would NOT be good place to look?
A. clusters of volcanically active islands B. the volcanically active end of a linear island chain C. Hawaii and the Galapagos D. All of these would be good places.
Explain the geography of a milkshed in terms of Von Thünen's model?
What will be an ideal response?