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Home Q & A Board Biology-Related Homework Help General Biology
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evaaaaa evaaaaa
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6 years ago
When a small amount of hydrochloric acid (HCl) is added to a solution of Na2HPO4, the pH of the solution does not
  change markedly. The pH also does not change drastically when a small amount of sodium hydroxide (NaOH) is added to
  this same solution. Based on these observations, the compound Na2HPO4 is:
  a. acting as a buffer.
  b. acting as a solvent.
  c. able to donate hydrogen atoms to HCl.
  d. able to remove hydrogen ions from the OH of NaOH.
  e. an enzyme facilitating the reaction between HCl and NaOH.

Question 2

What is the OH concentration of a solution having a pH of 2?
  a. 1  1012
  b. 1  1010
  c. 1  107
  d. 1  102
  e. 1  10
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romanknromankn
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evaaaaa Author
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#2
6 years ago
Were some really tough homework problems! Thanks for answering all of them correctly
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