If a DNA solution has a concentration of $20 \mathrm{mg} / \mathrm{ml}, 500 \backslash \mathrm{mu} \mathrm{g}$ of DNA would be contained in how many $\mathrm{ml} ?$

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∻Answer∻ ⚹ 0.025 ml ⚹ ∻Solution∻ ‖ a ⋮ Given: The concentration of the DNA solution is $20 \, \mathrm{mg/ml}$. ‖ ‖ b ⋮ Convert $500 \, \mu g$ to $mg$: $500 \, \mu g = 0.5 \, mg$. ‖ ‖ c ⋮ Use the formula: $ ext{Volume} = \frac{ ext{Mass}}{ ext{Concentration}}$. ‖ ‖ d ⋮ Substitute the values: $ ext{Volume} = \frac{0.5 \, mg}{20 \, mg/ml} = 0.025 \, ml$. ‖ ∻Key Concept∻ ⚹ Concentration and volume relationship ⚹ ∻Explanation∻ ⚹ To find the volume of a solution needed to obtain a specific mass of solute, you can use the formula $ ext{Volume} = \frac{ ext{Mass}}{ ext{Concentration}}$. In this case, converting the mass from micrograms to milligrams and then applying the formula gives the required volume. ⚹◊What is the formula to calculate the amount of DNA in a solution given its concentration and volume?⍭ Generate me a similar question◊

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