Anonymous
Anonymous asked in Science & MathematicsChemistry · 4 weeks ago

Help with volume question?

You have 3 mL of a 0.82 mg mL-1 stock solution of the enzyme lactate dehydrogenase. You need to add 1.2 μg of enzyme into an assay mixture. What volume of the stock solution do you take?

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  • 4 weeks ago

    (1.2 x 10^-6g) / (0.82 x 10^-3 g/mL) = 0.001463 mL = 1.5 x 10^-3 mL

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