Chemistry
03.11.2020 06:48
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If one solution has 100 times as many hydrogen ions as another solution, what is
If one solution has 100 times as many hydrogen ions as another solution, what is the difference, in ph units between the two solution?
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heavenwagner
4,8(43 marks)
Use the fact that pH = log { 1 / [H+] }. Call x the concentration of hydrogen ions of one solution and 100x the concentration of hydrogen ions of the other solution. The pH of the solution with hydrogen concentration x is pH1 = log {1 / x}. The pH of the solution with hydrogen concentration 100x is pH2 = log {1 / 100x}. Now calculate pH2 - pH1 = log {1/x} - log {1 / 100x}.
When you apply the logarithms properties you get pH2 - pH1 = log {1/x} - log {1/x} - log {1/100} = - (-2) = 2. So the answer is that if one solutions has 100 times as many hydrogen ions as another solution, the difference in pH units between the two solutions is 2.
graymonky12
4,4(73 marks)
Lol I need points sooo
Explanation:
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