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    How to do the question (c), (d) and (e).From plotting the graph i can get initial rate of decomposition of benzenediazonium but rate=k[benzenediazonium]^m[H20]^n but i do not have enough information. Is there any alternative method? (btw the rate is also in cm3permin using the gradient of n2 graph)
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    What is the concentration of water in the solution?

    1 dm3 of water = 1 kg = how many mol in that 1 dm3?

    Then think about how much that value would change if you change the concentration of the benzenediazonium chloride.
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