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answering the following problems, state the volume of the given concentrate to be used au the volume of the diluent to be add
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Answer #1

21.

4L= 4000ml

1;400 =0.25%

1:800= 0.125%

Q1 X C1 = Q2 X C2

Xml x 0.25% = 4000ml x 0.125%

X= 2000ml

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