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Population growth of humans and bacteria...

Population growth of humans and bacteria follows first order growth kinetics. Suppose 100 bacteria are placed containing nutrients for the bacteria so that they can multiply. A study at `35^(@)C` gave the following results :
`{:("Time (minutes)",0,15,30,45,60),("Number of bacteria",100,200,400,800,1600):}`
At what time, there will be 6400 bacteria in the flask ?

A

150 min

B

90 min

C

160 min

D

120 min

Text Solution

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The correct Answer is:
B
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3.5 ml ethyl acetate was added to a flask containing 100 ml of 0.1 M HCI placed in a thermostat maintained at 30^(@) C 5 ml of the reaction mixture was withdrawn at different interval of time and after chilling titrated against standard NaOH the following data were obtained Time (minutes) 0 75 119 183 infty NaOH used (mL) 9.62 12.10 13.10 14.75 21.05 From the above data show that the hydrolysis of ethyl acetate is a first order reaction