In order to prepare 250 microliters of a 1.0 mg/mL protein solution, how much of

Question

1. In order to prepare 250 microliters of a 1.0 mg/mL protein solution, how much of a 1.56 mg/mL solution would you need? (in microliters)
2. In order to prepare 250 microliters of a 0.75 mg/mL protein solution, how much of a 1.56 mg/ml solution would you need? (in microliters)
3. In order to prepare 250 microliters of a 0.5 mg/mL protein solution, how much of a 1.56 mg/ml solution would you need? (in microliters)
4. In order to prepare 250 microliters of a 0.25 mg/mL protein solution, how much of a 1.56 mg/ml solution would you need? (in microliters)
5. In order to prepare 250 microliters of a 1.5 mg/mL protein solution, how much of a 1.56 mg/ml solution would you need? (in microliters)

1. In order to prepare 250 microliters of a 1.0 mg/mL protein solution, how much of a 1.56 mg/mL solution would you need? (in microliters)
2. In order to prepare 250 microliters of a 0.75 mg/mL protein solution, how much of a 1.56 mg/ml solution would you need? (in microliters)
3. In order to prepare 250 microliters of a 0.5 mg/mL protein solution, how much of a 1.56 mg/ml solution would you need? (in microliters)
4. In order to prepare 250 microliters of a 0.25 mg/mL protein solution, how much of a 1.56 mg/ml solution would you need? (in microliters)
5. In order to prepare 250 microliters of a 1.5 mg/mL protein solution, how much of a 1.56 mg/ml solution would you need? (in microliters)

Explanation / Answer

1. Volume = 250 x 1.0/1.56 = 160 microliters

2. Volume = 250 x 0.75/1.56 = 120 microliters

3. Volume = 250 x 0.5/1.56 = 80 microliters

4. Volume = 250 x 0.25/1.56 = 40 microliters

5. Volume = 250 x 1.5/1.56 = 240 microliters

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