Question

A 100 mL sample was diluted to 1L. 1 mL was tested and gave a result...

A 100 mL sample was diluted to 1L. 1 mL was tested and gave a result of 0.5 mg/mL vitamin C. What was the original concentration before dilution?

Group of answer choices

a)0.5 mg/ml

b)1 mg/ml

c)5 mg/ml

d)10 mg/ml

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Answer #1

Correct option is (c) 5 mg/ml

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