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- Consider the following reaction at 25°C: O2(g)+4H+(aq)+4Cl(aq)2H2O+2Cl2(g) The [H+] is adjusted by adding a buffer that is 0.125 M in lactic acid (HLac) and 0.125 M in sodium lactate (NaLac). The pressure of both gases is 1.00 atm and [Cl-] is 0.200 M. (Kafor HLac is 1.4104 .) Will the cell function as a voltaic cell?The molar concentration of H3O+ was measured at 25 ° C. The pH and pOH should be calculated for the following [H3O+] (ideal solution) when a. [H3O+] = 15 μM b. [H3O+] = 1,5 mmol/dm3A 12.5% (w/w) FeSO4 solution has a density of 1.149 g/mL. Calculate: (a) the molar concentration ofFeSO4 in this solution; (b) the molar SO4-2 concentration of the solution.
- Which is a weaker acceptor (analogous to weaker acid)? In, CuWhich is a weaker donor (analogous to weaker base)? As, Mnwhat mass of solid lanthanum oxalate nonahydrate can be obtained from 650 ml of 0.0170 m aqueous solution of LaCl3 by adding a stoichiometric amount of sodium oxalatePlease Answer my question from the picture im send... And note With same dengan.. God bless you .. Answer question from CO(SCN) until AgNO3... Thanks from fe2+ until Zn(NH3) me have solution
- What volume of0.317 M KOH solution will be required to titrations 25.00 mL of 0.285 M HN O3The conductivity of saturated solution of of BaSO4 is 3.48 x 10-4 S/m and the conductivity of pure water is 0.50 x 10-4 S/m at 298 K. Calculate the solubility product of BaSO4. ( limiting molar conductance of BaSO4 is 287.3 x 10 -4 S m2 mol.)For water having a total alkalinity of 1.00x10^-3 mol/L and a pH of 10.34 what is the percentage contribution to alkalinity from CO32-? Please answer very soon will give rating surely
- Explain how (the dreaded chemistry) the addition of alum decreases alkalinity and tends to lower the pH of the treated water. (you may want to have a separate slide or graphic to help you explain this).0.2219 g of pure iron wire was dissolved in acid nd iron reduced to+2 state. Then the solution required 34 65ml of cerium(4) in a titration . Calculate molar concentration of ce4+???A mixture of NaBr, Nal and NaNO3 weighs 0.6500 g. With AgNO3, a precipitate of the two halides is obtained and is found to weigh 0.9390 g. When heated in a current of C2, the precipitate is converted entirely to AgCi weighing 0.6566 g. What is the %NaNO3 in the original sample?
