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1 Jan 2018

% Mass/Volume - What mass of sucrose is needed to make 200 mL of a 5% sucrose solution? Describe how the solution is prepared. (3 pts.)

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Related questions

Need help please, specifically with #11 in the the conversion tocreate 200 mL of 3% Sucrose solution. Thank you!

8. Reconstitute the sucrose powder. To do this, add 160 mL ofwater to the powdered sucrose. This will create a 30% stock sucrosesolution.

9. Label the other two 100 mL beakers as “15% Sucrose” and “3%Sucrose.” Then, use Table 4 to create additional sucrose solutionsthat are 15% and 3% concentrated, respectively.

Table 4: Dilution Instructions

SucroseSolution mLof Stock Sucrose SolutionNeeded mL of Water Needed

15% 5 5

3% 2 18

10. Use the 100 mL graduated cylinder to measure and pour 150 mLof the 30% stock solution of sucrose into Beaker 1.

11. Use some of the remaining stock sucrose solution to createan additional 200 mL of a 3% sucrose solution in Beaker 2. Use yourknowledge of serial dilutions from the introduction to make thissolution.

7. Molar - What mass of sodium chloride (NaCl) is needed to make 250 mL of 0.75 M NaCl solution? Describe how the solution is prepared. Na = 23, Cl = 35.5 (3.5 pts.)

If given a 1.0M sucrose stock solution, how much stock and howmuch water are needed to make 250 mL of a 1% solution? (MW342.30)

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