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If you were asked to prepare 150ššof 8%ļ»æagarose, how many grams agarose would you weigh out?
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Answer from Sia

Posted 6 months ago

Answer

You would weigh out 12 grams of agarose.

Solution

a

Calculate the mass of agarose needed using the percentage concentration formula: $\text{mass of agarose} = \text{volume} \times \text{percentage concentration}$

b

For 8% agarose gel, the calculation is: $\text{mass of agarose} = 150\,ml \times \frac{8}{100}$

c

Convert the volume from milliliters to grams (assuming the density of water is 1 g/ml, which is a common approximation used for these calculations): $\text{mass of agarose} = 150\,g \times 0.08 = 12\,g$

Key Concept

Percentage concentration

Explanation

The percentage concentration formula is used to calculate the mass of a substance needed to create a specific volume and concentration of a solution.

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