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need help pronto incorrect estion 12 of 22 Map J Which type of glassware should

ID: 981799 • Letter: N

Question


need help pronto

incorrect estion 12 of 22 Map J Which type of glassware should you use to make the solution (assuming that the accuracy of the concentration is important)? 250 mL How should the correct amount of stock solution be obtained? 200 m 200 150 100 150 250 O O O Measure out x mL using a graduated cylinder. Measure out x ml using a volumetric pipet. Measure out x g on a balance. 100 50 Incorrect A graduated cylinder is not accurate enough to measure the volume of stock solution. Based on your answer above, what is the value of x? s the value ofx? measure the Number r= 52.5 How should the solution be mixed together? continued below... O Fill the container to the 250 mL mark then add the correct amount of stock solution. O Add the correct amount of stock solution then fillto the 250 mL mark with water. OFill the container partially with water, add the correct amount of stock solution, then fill to the 250 O None of these are the correct way to mix the stock solution. mL mark with water

Explanation / Answer

1) Measure out x mL using a volumetric pipet.

To take out the small volumes from stock solution, volumetric pipet should be used.