Question

A student had a fish tank, in which she kept tropical fish. She knew it was meant to be a good idea to keep he
plants in the tank as well. She wanted to find out how the plants affected the concentration of carbon dioxide
water.
The diagram shows the apparatus that she set up. She used hydrogencarbonate indicator solution because is
when it contains a large amount of carbon dioxide, orange with a small amount and red when it contains no carbon dioxide at all.​

Answer 1

Answer:

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