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- Oxidation number of Mn in KMnO4 is1. What is the gravimetric factor of SO3 in BaSO4? 2. What is the normality of an oxidizing agent of a solution of potassium dichromate (K2Cr2O7) containing 8.906 g per 200 mL in the presence of acid? (Cr2O7-2 + 6Fe+3 + 14H+ → 2Cr3+ + 6Fe3+ + 7H2O) NOTE: Present complete solution with corresponding units.What is the process used to instrumentation in voltametry and its application
- What volume of 0.0300 M KMNO4 is required to react in acid solution with 5.00 mL of H2O2 that has a density of 1.01 g/mL and contains 3.00% by weight H2O2? The permanganate is reduced to Mn2+ and the H2O2 oxidized to O2.Balance the following redox reactions: (a) In acidic solution, xenon trioxide reacts with iodide ion toproduce xenon gas, triiodide ion (I₃⁻), and water. (b) In basic solution, the hydrogen xenate ion (HXeO₄⁻) dispro-portionates to xenon gas, perxenate ion (XeO₆⁴⁻), water, andoxygen gas.(c) In basic solution, bismuthate ion (BiO₃⁻) reacts with man-ganese(II) ion to produce bismuth(III) and permanganate ions. (d) In basic solution, oxygen difluoride reacts to produce fluo-ride ion, oxygen gas, and water. (e) In acidic solution, manganese(IV) oxide reacts with sulfiteion to form manganese(II) ion, water, and dithionate ion(S₂O₆²⁻).(f) In one of the few reactions known for a statine, the oxidationof astinide ion by chlorine gas in acid solution produces astinateion (AtO₃⁻) and chloride ion.Determine the oxidation state of all the elements in HPO42-.
- What is the normality as an oxidizing agent in the presence of acid, of a solution containing 0.2300 g of KMnO4 per 150 mL? Note: Please present complete solution.REOX REACTION BALANCE THE EQN. show solutions MnBr2 + HNO3 + PbO2 --> HMnO4 + Br2 + Pb(NO3)2 + H2OA total of 1.740 F of electricity (1 F=1 mol e−) was required to electrodeposit all of the Zn and Co from a solution of ZnSO4 and CoSO4 . The mixture of Zn and Co that was deposited had a mass of 53.23 g. Calculate the masses of ZnSO4 and CoSO4 present in the original solution.
- How many faradays of electricity will be required to completely electrolyze one mole of molten Al2O3 to produce Al metal and O2 gas? Write answer in whole number with unit farad.Copper metal and aqueous iron (III) chloride were made to react to reduce iron to Fe2+ whileoxidizing copper to Cu2+. What mass (in g) of copper metal is needed to react with 50 mL of 20.5wt.% iron (III) chloride (solution density is 2.9 g/mL)?Identify the oxidation number of the underlined atom only in Cr2O72-.