12. What is the molarity of a solution that contains 10.0 moles of solute in 2000.0 mL solution? A. 5.00x10-3 mol/L C. 5.00 mol/L B. 0.200 mol/L D. 2.00x102mol/L 13. To determine the number of solute present in a solution, which of the following operation will be used A. molality x moles of solution B. molality x volume of solution, L C. molarity x moles of solution D. molarity x volume of solution, L 14. The mass of sucrose(C12H22O11) needed to prepare 250.0 mL of a 0.250M solution is ________. (Atomic mass: C=12.01 g/mol; H=1.008 g/mol; O=16.00 g/mol). A. 0.0625 g B. 1.00 g C. 21.4 g D. 34.2g
12. What is the molarity of a solution that contains 10.0 moles of solute in 2000.0 mL
solution?
A. 5.00x10-3 mol/L
C. 5.00 mol/L
B. 0.200 mol/L
D. 2.00x102mol/L
13. To determine the number of solute present in a solution, which of the following operation will be used
A. molality x moles of solution
B. molality x volume of solution, L
C. molarity x moles of solution
D. molarity x volume of solution, L
14. The mass of sucrose(C12H22O11) needed to prepare 250.0 mL of a 0.250M solution is ________. (
A. 0.0625 g
B. 1.00 g
C. 21.4 g
D. 34.2g
15. What is the molality of 30.0% NaCl by weight? (Atomic mass: Na=22.99 g/mol;
Cl=35.45 g/mol)
A. 0.513 m
B. 5.13 m
C. 7.33 m
D. 73.3 m
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