The minimum mass of oxygen required in 1kg of water is?

Cold water fish require a minimum of 8 parts per million by mass (ppm) of oxygen dissolved in water. The minimum mass of oxygen required in 1kg of water is A 8 × 10–6 g B 8 × 10–3 g C 8 × 10–2 g D 8 × 10–1 g

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  • 6 months ago

    (1000 g) x (8 x 10^-6) = 0.008 g = 8 x 10^-3 g

    So answer B.

  • 6 months ago

    milligram. I assume you can figure out what a milligram (thousandth of a gram) should be in scientific notation. If not, time to learn. 1 ppm=1 mg/kg.

  • 6 months ago

    A

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