Two chemicals A and B are combined to form a chemical C. The rate of the reaction is proportional to the product of the instantaneous amounts of A and B not converted to chemical C. Initially there are 85 grams of A and 43 grams of B, and for each gram of B, 1.8 grams of A is used. It has been observed that 32 grams of C is formed in 5 minutes. How much is formed in 40 minutes? What is the limiting amount of C after a long time? 256 grams of C are formed in 40 minutes grams is the limiting amount of C after a long time

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