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balance this equation and write the net ionic equation.
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- Atomic masses can be determined by electrolysis. In one hour, a current of 0.600 A deposits 2.42 g of a certain metal, M, which is present in solution as M+ ions. What is the atomic mass of the metal?Given HFH+(aq)+F(aq)Ka=6.9104HF(aq)+F(aq)H2(aq)K=2.7 calculate K for the reaction 2HF(aq)H+(aq)+HF2(aq)8) What is the pH of a 0.035 M HNO, solution? HNO3 (aq) + H,0 (1) H;O* (aq) + NO; (aq)
- In basic solution, H₂O2 oxidizes Cr3+ to CrO4²- and is reduced to OH. Write the balanced net ionic equation for this reaction. How many OH- are there in the balanced equation?Complete and balance the following redox reaction in basic solution CIO3 (aq) + C204² (aq) → CIO2(g) + CO2(g) 14- 3- |2- O2+ 3+ 4+ 1 6. 7 8 9 0. O3 Os O, Do 12 14 7 9. (s) (1) (g) (aq) OH H2O ei H3O 4+ 2. +Complete and balance the following equations for reac- tions taking place in acidic solution. (a) VO;(aq)+ SO2 (g) (b) Br2(€) + SO2(g) (c) CrO?¯(aq) + Np** (aq) – (d) HCOOH(aq) + MnO, (aq) → CO2(g) + Mn²* (aq) (e) Hg,HPO4(s) + Au(s) + Cl¯(aq) → VO²*(aq) + SOž (aq) - → Br (aq) + Sof (aq) 4+ Cr** (aq) + NpOž* (aq) 2+ - Hg(€) + H2PO, (aq) + AuCl (aq)
- Complete and balance the following equations: (a) Mg;N2(s) + H20(I) (b) NO(8) + O2(8) → (c) N2O5(8) + H20(I) (d) NH3(aq) + H*(aq) (e) N,H4(1) + O2(8) Which ones of these are redox reactions?Complete and balance the following half-reaction in acidic solution TiO:(s) → Ti2" (aq) 4- N3- |2+ 3+ L74+ 4 5 7 8 Do ) (s) (1) (g) (aq) + H e- Ti H3O+ H2O H+ OH- 1L 3.Chemists working with fluorine and its compounds some- times find it helpful to think in terms of acid-base reac- tions in which the fluoride ion (F¯) is donated and ассеpted. (a) Would the acid in this system be the fluoride donor or fluoride acceptor? (b) Identify the acid and base in each of these reactions: CIF;O2 + BF; CIF,O, · BF, -- TiF, + 2 KF – K2[TiF,]
- Complete and balance the following equations: (a) Mg;N2(s) + H,0(I) (b) C3H;OH(1) + 02(8) (c) MnO2(s) + C(s) (d) AIP(s) + H2O(1) (e) NazS(s) + HCI(aq)19. The salt, Ca(CN)2, would give an aqueous solution that is (a) acidic (b) basic (c) neutral (d) none of theseConsider the following balanced redox reaction: 16H+(aq) + 2MnO4-(aq) + 10Cl-(aq) → 2Mn2+(aq) + 5Cl2(g) + 8H2O(l)(a) Which species is being oxidized?(b) Which species is being reduced?(c) Which species is the oxidizing agent?(d) Which species is the reducing agent?(e) From which species to which does electron transfer occur?(f ) Write the balanced molecular equation, with K+ and SO42- as the spectator ions.