Activity 3. Solve the following:1. What mass of solid Lanthanum (III) oxalate nonahydrate { La2 ( C204 )3 9 H20} canbe obtained from 650 mL of 0.0170 M aqueous solution of LaCl3 by adding astoichiometric amount of sodium oxalate ?2. Calculate the mass of hydrogen formed when 25 grams of aluminum reacts withexcess hydrochloric acid.2A1 + 6HC1 >Al,Cls + 3H23. What mass of ZnCl2 can be prepared from the reaction of 3.27 grams of zinc with3.30 grams of HC1?Zn +2HC1 ZnCl2 + H24. How many milliliters of 0.200 M NH2OH are needed to react with 12.0 mL of 0.550M FeCl3?FeCla + 3NH4OH Fe(OH)3 + 3NH4C1

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Answered: 1. What mass of solid Lanthanum (III)…

1. What mass of solid Lanthanum (III) oxalate nonahydrate { La2 ( C204 )3 9 H20} can be obtained from 650 mL of 0.0170M aqueous solution of LaCl3 by adding a stoichiometric amount of sodium oxalate ?

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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Concept explainers

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.

Question

Activity 3. Solve the following:
1. What mass of solid Lanthanum (III) oxalate nonahydrate { La2 ( C204 )3 9 H20} can
be obtained from 650 mL of 0.0170 M aqueous solution of LaCl3 by adding a
stoichiometric amount of sodium oxalate ?
2. Calculate the mass of hydrogen formed when 25 grams of aluminum reacts with
excess hydrochloric acid.
2A1 + 6HC1 >
Al,Cls + 3H2
3. What mass of ZnCl2 can be prepared from the reaction of 3.27 grams of zinc with
3.30 grams of HC1?
Zn +2HC1 ZnCl2 + H2
4. How many milliliters of 0.200 M NH2OH are needed to react with 12.0 mL of 0.550
M FeCl3?
FeCla + 3NH4OH Fe(OH)3 + 3NH4C1

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