Problem: You need to prepare a 250. mL of a 0.850 M aqueous solution of sucrose, C12H22O11(aq), which is used frequently in biological experiments.Which type of glassware should you use to make this solution (assuming that the accuracy of the concentration is important)?A. AB. BC. CHow should the correct amount of solute be obtained?A. Measure out x mol of solid sucrose on a molemeter.B. Measure out x cm of sucrose with a ruler.C. Measure out x g of solid sucrose on a balance.Now that you have selected the correct unit above, what is the value of x?

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In preparing solutions, where great accuracy of concentration is required, a volumetric flask is used.

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Problem Details

You need to prepare a 250. mL of a 0.850 M aqueous solution of sucrose, C12H22O11(aq), which is used frequently in biological experiments.

Which type of glassware should you use to make this solution (assuming that the accuracy of the concentration is important)?

A. A
B. B
C. C


How should the correct amount of solute be obtained?

A. Measure out x mol of solid sucrose on a molemeter.
B. Measure out x cm of sucrose with a ruler.
C. Measure out x g of solid sucrose on a balance.


Now that you have selected the correct unit above, what is the value of x?

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Our tutors have indicated that to solve this problem you will need to apply the Accuracy & Precision concept. You can view video lessons to learn Accuracy & Precision. Or if you need more Accuracy & Precision practice, you can also practice Accuracy & Precision practice problems.

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Based on our data, we think this problem is relevant for Professor Bilyeu's class at XULA.