The Ka for boric acid is 7.3 x 10^¯10. What is the pKa of boric acid?
A) -9.14
B) -4.86
C) 4.86
D) 9.14
D
You might also like to view...
What event was an important cause of the surge of immigration to European countries (such as Germany) in the early 1990s?
A) the release of the last German colony in Africa in 1989 B) the expulsion of many foreign-born immigrants from France C) Germany's mild climate D) war in Syria and Iraq E) the collapse of the Soviet Union
If a neutral element has the following chemical notation, how many electrons does it have?carbon-13
A. 6 B. 7 C. 12 D. 13 E. none of the above
In the rock cycle, describe how metamorphic rocks could become sedimentary rocks
What will be an ideal response?
Which of the following best matches the description?Horizontal layer of soil.
A. loam B. soil structure C. soil texture D. asthenosphere E. terrace F. windbreak G. horizon H. weathering I. chemical weathering J. lithosphere K. mechanical weathering L. friable M. contour farming N. leaching O. humus P. parent material Q. soil profile