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15-03-2024
Chemistry

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A tank contains 90kg of salt and 2000L of water. A solution of a concentration 0.0225kg per liter enters a tank at the rate of 10(L)min. The solution is mixed and drains from the tank at the rate of:
a) 10(L)min
b) 20(L)min
c) 30(L)min
d) 40(L)min

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