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    Hi can anyone help me, I'm doing an ISA in biology on diffusion. We have different concentrations of hydrochloric acid and we see how long it takes for the acid to turn this jelly colourless.... I just need help 👍😫
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    (Original post by Megan_austinn)
    Hi can anyone help me, I'm doing an ISA in biology on diffusion. We have different concentrations of hydrochloric acid and we see how long it takes for the acid to turn this jelly colourless.... I just need help
    Um, what eaxctly do you need help about? Any specific thing you are not understanding?
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    (Original post by Megan_austinn)
    Hi can anyone help me, I'm doing an ISA in biology on diffusion. We have different concentrations of hydrochloric acid and we see how long it takes for the acid to turn this jelly colourless.... I just need help ����������
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