Question

If 75% of a first order reaction was completed in 60 minutes, 50% of the same reaction under the same conditions would be completed in ?

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Answer 1

Explanation:

) 30 minutes

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Answer 2

Answer:

• 75% done in 60 min
• 1 % done in 60/ 75% min
• 50 % done in (50%x60)/75% = 40 min