Both questions please If a student wants to make 70.0 mL of a 3.15M stock solution of FeCl 2,how many grams of solid, anhydrous iron (II) chloride do they need to use?27.9 g1.74 g575 g634 g22.2 g What is the molality of a solution made by dissolving 42.7 grams of CaCl 2in 695 grams of water?0.554 m1.11 m0.00322 m0.00374 m5.67 m

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how many grams of solid, anhydrous iron (II) chloride do they need to use? 27.9 g If a student wants to make 70.0 mL of a 3.15M stock solution of FeCI 2, 1.74 g 575 g 634 g 22.2 g

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

Both questions please

If a student wants to make 70.0 mL of a 3.15M stock solution of FeCl 2,
how many grams of solid, anhydrous iron (II) chloride do they need to use?
27.9 g
1.74 g
575 g
634 g
22.2 g

What is the molality of a solution made by dissolving 42.7 grams of CaCl 2
in 695 grams of water?
0.554 m
1.11 m
0.00322 m
0.00374 m
5.67 m

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