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George2
Questions and answers by visitors named
George2
Questions (5)
Which of the following when added to water will cause a significant change in the pH of the solution?
1 NH4HSO4 2 (NH4)2SO4 3
3 answers
666 views
4) Which of the following is the most effective buffer system for a pH value of 4.45?
a. H2CO3/HCO3- (K1 = 4.4 * 10-7) b.
4 answers
3,430 views
A sample of ammonia (Kb = 1.8 * 10-5) is titrated with 0.1 M H2SO4. At the equivalence point, the pH is approximately
Isn't it
2 answers
455 views
Which of the following mixtures will be a buffer when dissolved in a liter of water?
a. 0.1 mol Ca(OH)2 and 0.3 mol HI b. 0.3 mol
3 answers
2,583 views
a) What is meant by the terms dermal (intramembranous) and endochondral with respect to bone? Give an example of each.
b) With
1 answer
454 views
