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Does Pink Lemonade Have The Highest Ph Levels

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Jenlee- My hypothesis is that I think that the pink lemonade will have the highest pH levels. I think this because lemons are very acidic. One problem I think I might run into is that the pink lemonade we are using is juice from a company, which means that there are probably a lot of added chemicals and a lot of sugar. I am not completely sure if sugar affects pH. Another problem that I Think we are going to run into is that the red cabbage juice is dark and it might not change color. For example, some videos we saw the juice turned green. I don't know how that is going to be possible with such a dark color but the juice did change color in the video we saw. I believe that the cabbage juice method will work. I think this because the cabbage juice has anthocyanin which is the thing in red cabbage that changes color. According to the internet the method works. The website we went to is below. http://chemistry.about.com/od/acidsbase1/a/red-cabbage-ph-indicator.htm. The cabbage juice is supposed to change color when another liquid is added. …show more content…

I think this will happen because vinegar has a strong taste. To me vinegar leaves a sting in my mouth and this means its acidic. So I think it has the highest pH level. I think that the cabbage juice method will not be accurate because cabbage juice also has pH in it. So, we will be measuring the pH of the cabbage juice with the liquid. Another reason why I think that the red cabbage juice method will not work is because of the color of the red cabbage juice. If we put a clear color such as vinegar I think that it will just stay purple. This is why I think the cabbage juice method will not be

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