Are assumed to be in aqueous solution and the common

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are assumed to be in aqueous solution, and the common anion is the nitrate ion. (8 points)a.Add chlorideb.Add hydroxidec.Add carbonated.Add sulfate
(Reference: Chang 4.24)4.Give the oxidation number of the underlined atoms in the following molecules and ions: (7 points)a.ClF1+b.IF7 7+c.CH44-d.C2H21-e.C2H42-f.K2CrO4 6+g.K2Cr2O7 6+h.KMnO4 7-i.NaHCO3 6-j.O24-k.
5.For the following reactions, identify the type (combination, combustion, decomposition, displacement, methathesis [double-displacement)] neutralization), balance the reaction, and for the redox reactions identify the oxidizing agent and reducing agent. (12 points)(a) CH4+ O2CO2+ HSingle replacementCH4+ 2O2→ CO2 + 2H(b) HCl + NaOH → H2O + Double replacementHCl + NaOH → H2O + NaCl(c) H2+ O2HSynthesis 2H2 + O2→ 2H2(d) CaCO3+ HCl → CaCl2+ CO2+ CombustionCaCO3+ 2HCl → CaCl2+ CO2+ H2O(e) Zn + HCl ZnCl22O2NaCl2OOH2O+ H2
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6.Calculate the molarity of each of the following solutions: (4 points)

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