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18 Oct 2009, 11:45 AM
| #1 (permalink) |
| New Member HSC: 2009 Gender: Female
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1 Nov 2009, 2:00 PM  |  pH question You can hide this advertisement by registering. http://www.boardofstudies.nsw.edu.au...y_specexam.pdfThe answer is 25, help! i keep getting 14! thanks in advance. Question 9, page 16 |
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18 Oct 2009, 11:53 AM
| #2 (permalink) |
| Executive Member  HSC: 2009 Gender: Male Location: Wouldn't you like to know...
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18 Nov 2009, 9:51 AM | Re: pH question Hydrogen ion concentration at a pH of 8.6 = 10^-8.6 Hydrogen ion concentration at a pH of 10 = 10^-10 Therefore factor at which hydrogen ion concentration decreases = (10^-8.6) / (10^-10) = 25
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18 Oct 2009, 12:07 PM
| #5 (permalink) | |
| New Member HSC: 2009 Gender: Female
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1 Nov 2009, 2:00 PM | Re: pH question Quote:
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18 Oct 2009, 12:08 PM
| #6 (permalink) |
| Super Ultimate User! HSC: 2009 Gender: Male
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18 Nov 2009, 6:34 PM | Re: pH question Umm makes sense hydrogen ion concentration. I havent got time to look at it closely but anincrease in ph by 1 will increase H+ ions by 100. Do you have answers please post them up. I want to have a look! cherers |
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18 Oct 2009, 12:10 PM
| #7 (permalink) | |
| New Member HSC: 2009 Gender: Female
Join Date: Mar 2009
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1 Nov 2009, 2:00 PM | Re: pH question Quote:
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