Which of the following is NOT a concentration? 21% oxygen 104 bacteria/mL 20 mg NaCl ten...

Question

Question

Which of the following is NOT a concentration?

21% oxygen

104 bacteria/mL

20 mg NaCl

ten grams glucose per liter

science biology

Answer 1

Answer #1

20 mg NaCl

Answer 2

Answer #2

20 mg NaCl

Answer 3

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