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What color would seawater turn if you added bromothymol blue to it
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10-13-2009, 08:50 PM #1
How can magnesium metal be used to distinguish between an acid and a base?
Hey gideon! Ive been looking at your wall, its pretty frickin sickening bro.
Liberalism is cancer.
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10-13-2009, 08:52 PM #2
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10-13-2009, 08:52 PM #3
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10-13-2009, 08:53 PM #4
Seawater has many many substances dissolved into it, such as chlorine, sodium, magnesium, sulfur, calcium, etc. Some of these such as sulfur can form compounds with the water that can affect the pH of the seawater. So in short, you don't know what colour the bromothymol blue will be when it's added to the seawater because who knows the exact composition of the seawater. However if its pH is below 6 (acidic) bromothymol blue will be yellow and if pH is above 7.6 (basic), bromothymol blue will be blue. It'll be green if the pH is in between those two values.
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10-13-2009, 08:53 PM #5
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10-13-2009, 08:55 PM #6
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10-13-2009, 08:56 PM #7
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10-13-2009, 08:57 PM #8
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10-13-2009, 08:58 PM #9
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