In a process, 5 Kgs of water is added to a container and after some interval 3 Kgs of water is taken out. If finally there is 7 Kgs of water then how much water was there in the very beginning?(a) 5 Kg(b) 10 Kg(c) 15 Kg(d) 20 KgThis question was addressed to me in unit test.I'd like to ask this question from Material Balances -V in portion Material Balances of Chemical Process Calculation

In a process, 5 Kgs of water is added to a container and after some in

1.	In a process, 5 Kgs of water is added to a container and after some interval 3 Kgs of water is taken out. If finally there is 7 Kgs of water then how much water was there in the very beginning?(a) 5 Kg(b) 10 Kg(c) 15 Kg(d) 20 KgThis question was addressed to me in unit test.I'd like to ask this question from Material Balances -V in portion Material Balances of Chemical Process Calculation
Answer» The correct option is (a) 5 Kg The explanation is: Final CONDITION = Initial condition + SUM of inputs – sum of OUTPUTS.

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