18. What is the empirical formula for a compoind that is 41.8% N, 24.7% C, 31.4% O, and 2.1% H bymass? If the molar mass of the compound is 100.06 g mol-', what is the molecular formula?A: N,C,0,H2; N,C20,H219. Exactly 6.60 M of an aqueous lithium chloride stock solution is used to create 600. mL of a 0.300 Mdilute solution. What is the mass (in g) of lithium chloride present in the final solution?A: 7.6320. A 225 mL sample of a 10.0 M aqueous stock solution is diluted to 4.00 L upon addition of water.What is the concentration (in M) of the diluted solution?A: 0.563o.0000 00 (61WORKSHEET 3 NetID:Name:15. What volume (in mL) of a 10.0 M stock solution of aqueous magnesium bromide is required tomake a 500. mL 0.250 M solution?A: 12.516. An aliquot of a 8.50 M stock aqueous solution of sodium chloride is used to create 800. mL of a0.100 M dilute solution. What is the mass (in g) of sodium chloride present in the dilute solution?A: 4.6817. Determine the formula mass (in amu) for the following compounds:(а) NaOH(b) CH3COOH(c) C10H10FE(d) MgSO4A: 40.00; 60.06; 186.05; 120.38O 2020 F'20/S'21Chemistry I

Answered: What volume (in mL) of a 10.0 M stock…

What volume (in mL) of a 10.0 M stock solution of aqueous magnesium bromide is required to make a 500. mL 0.250 M solution? A: 12.5

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

18. What is the empirical formula for a compoind that is 41.8% N, 24.7% C, 31.4% O, and 2.1% H by
mass? If the molar mass of the compound is 100.06 g mol-', what is the molecular formula?
A: N,C,0,H2; N,C20,H2
19. Exactly 6.60 M of an aqueous lithium chloride stock solution is used to create 600. mL of a 0.300 M
dilute solution. What is the mass (in g) of lithium chloride present in the final solution?
A: 7.63
20. A 225 mL sample of a 10.0 M aqueous stock solution is diluted to 4.00 L upon addition of water.
What is the concentration (in M) of the diluted solution?
A: 0.563
o.0000 00 (61
WORKSHEET 3

NetID:
Name:
15. What volume (in mL) of a 10.0 M stock solution of aqueous magnesium bromide is required to
make a 500. mL 0.250 M solution?
A: 12.5
16. An aliquot of a 8.50 M stock aqueous solution of sodium chloride is used to create 800. mL of a
0.100 M dilute solution. What is the mass (in g) of sodium chloride present in the dilute solution?
A: 4.68
17. Determine the formula mass (in amu) for the following compounds:
(а) NaOH
(b) CH3COOH
(c) C10H10FE
(d) MgSO4
A: 40.00; 60.06; 186.05; 120.38
O 2020 F'20/S'21
Chemistry I

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