Which of the following is the conjugate acid of PO43-?
A) H3PO4
B) H2PO4-
C) HPO42-
D) H3O+
C
You might also like to view...
Which of the following is a reasonable value for the pKb of an aliphatic amine?
A) 1.5 B) 3.5 C) 6.5 D) 8.5
What are some ways to reduce acid deposition? Why is it difficult to implement these solutions?
What will be an ideal response?
The following is an example of a disadvantage of the use of wind power for generating electricity:
A) It is associated with high levels of pollution. B) The wind is not constant even in the windiest areas. C) It can never be cost competitive with other energy sources. D) It is impractical in the United States. E) The voltage is not compatible with that of standard transmission lines.
The size and shape of a turbulent eddy depend on which of the following factors?
A. the temperature of the air B. the temperature of the obstacle C. the direction of the wind D. the shape of the obstacle