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21-09-2014
Mathematics

Answered

A lab technician has 680ml of solution of water and acid, 3% is acid how many millimeters are acid? water?
can someone please explain step by step to solve this.

Answer :

21-09-2014

1% of 680 = 6.8ml
so 3% = 3 x 6.8 = 20.4ml

or

3% = 3/100
3/100 x 680 = 20.4ml

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