edexcel chemistry...anyone can help me..

edexcel chemistry...anyone can help me..
how you would mix the acid and coral to ensure that no carbon dioxide escaped from the apparatus.
be more detailed.
also,anyone who know how to answer the questions about hazard?

隐休 1年前已收到1个回答举报

seiri33 幼苗

共回答了17个问题采纳率：76.5% 举报

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