In an extraction unit operating with continuous and counter current, 100 kg of kerosene-nicotine mixture per hour is extracted with distilled water and 90% of the existing nicotine is removed. Find the theoretical number of steps required if the kerosene-nicotine mixture contains 1.4% nicotine as a percentage by weight and 1.5 times the minimum water flow rate is used. X Y 0.00101 0.000806 0.00246 0.001959 0.00500 0.00454 0.00746 0.00682 0.00988 0.00904 0.0202 0.0185

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.