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Consider the reaction:
2H3PO4 → P2O5 + 3H2O
Using the information in the following table,
Time (s) P 2O5 (M)
10 1.30 x 10 -3
20 4.30 x 10 -3
30 6.10 x 10 -3
40 7.30 x 10 -3
50 7.90 x 10 -3
i) Calculate the average rate of formation of P2O5 between 10.0 and 40.0 s.
ii) Rate of formation of P2O5 = 2.00 x 10-4 M/ s. What is the average rate of decomposition of H3PO4 between 10.0 and 40.0 s?
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Based on our data, we think this problem is relevant for Professor Farooqui's class at CSUF.