136. Solving a chemistry problem
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527. What degree of oxidation is most characteristic of chromium? On what property of chromium (II) compounds is the use of a hydrochloric acid solution of CrCl2 for the absorption of oxygen based? Make electronic and molecular reaction equations:
a) CrCl2 O2 HCl→
b) CrCl2 H2O→
a) CrCl2 O2 HCl→
b) CrCl2 H2O→
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