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- H2O2(l) deltaG=-120.4 H2O(l) deltaG=-237.1 O2 (g) deltaG=0Volume of NaOH for Aq layer = 12.55 mL Volume of NaOH For Or layer = 15.27 mLNa2SO3Na2SO3 reacts with HClO4HClO4 according to the reaction Na2SO3(aq)+2HClO4(aq)⟶2NaClO4(aq)+H2O(l)+SO2(g)Na2SO3(aq)+2HClO4(aq)⟶2NaClO4(aq)+H2O(l)+SO2(g) You wish to provide a 50% excess of 6.866.86 wt% aqueous HClO4HClO4 to react with 30.030.0 mL of 0.05870.0587 M Na2SO3Na2SO3. Calculate the mass of the 6.866.86 wt% aqueous HClO4HClO4 solution required to provide the 50% excess. mass: g
- #29b except NO3 it should be NO2El poder de rotación específico de la sacarosa a 20 °C es [alfa]D20 = +66,53 grados/(dm g mL-1). ¿Cuál es su poder de rotación molar, expresado en grados/(dm mol L-1)? (Peso molecular de la sacarosa: 342,3). 1). 5.14 2). 22.77 3). 194.4 4). 22773Part A) A 10.0 mL sample of 0.250 mol/L NiF2(aq) is mixed with 20.0 mL of 0.0900 mol/L NaOH(aq) and then diluted to a final volume of 100. mL.Calculate the concentration of Ni2+ ions in the 100 mL mixture before the reaction starts. Express your answer to three significant figures.ksp: 5.48e-16
- Type Formula Ksp Bromides PbBr2 6.3 × 10-6 AgBr 3.3 × 10-13 Carbonates BaCO3 8.1 × 10-9 CaCO3 3.8 × 10-9 CoCO3 8.0 × 10-13 CuCO3 2.5 × 10-10 FeCO3 3.5 × 10-11 PbCO3 1.5 × 10-13 MgCO3 4.0 × 10-5 MnCO3 1.8 × 10-11 NiCO3 6.6 × 10-9 Ag2CO3 8.1 × 10-12 ZnCO3 1.5 × 10-11 Chlorides PbCl2 1.7 × 10-5 AgCl 1.8 × 10-10 Chromates BaCrO4 2.0 × 10-10 CaCrO4 7.1 × 10-4 PbCrO4 1.8 × 10-14 Ag2CrO4 9.0 × 10-12 Cyanides Ni(CN)2 3.0 × 10-23 AgCN 1.2 × 10-16 Zn(CN)2 8.0 × 10-12 Fluorides BaF2 1.7 × 10-6 CaF2 3.9 × 10-11 PbF2 3.7 × 10-8 MgF2 6.4 × 10-9 Hydroxides AgOH 2.0 × 10-8 Al(OH)3 1.9 × 10-33 Ca(OH)2 7.9 × 10-6 Cr(OH)3 6.7 × 10-31 Co(OH)2 2.5 × 10-16 Cu(OH)2 1.6 × 10-19 Fe(OH)2 7.9 × 10-15 Fe(OH)3 6.3 × 10-38 Pb(OH)2 2.8 × 10-16 Mg(OH)2 1.5 × 10-11 Mn(OH)2 4.6 × 10-14 Ni(OH)2 2.8 × 10-16 Zn(OH)2 4.5 × 10-17 Iodides PbI2 8.7 × 10-9 AgI 1.5 × 10-16 Oxalates BaC2O4 1.1 × 10-7 CaC2O4…Yttrium (III) carbonate (MM = 357.84 g/mol) has a Ksp of 1.0 x10-31. If 15.5 g Y2(CO3)3 is stirred into 2.16 L H2O, how many micrograms of yttrium (III) carbonate will dissolve?Report your answer to the nearest whole number.ann performed a sample analysis for potassiom content where the results are the following: 14.92%, 14.915, 14.88% and 14.91%. The actual amount of potassium was found to be 14.90%. Are the acquired values precise or accurate compared to the actual amount? why?
- Determine of total nitriogen (TN), TKN and total nitrogen oxide (TNOx) of sample containing 10 mg/L NH4+, 0.5 mg/L nitrite, 30 mg/L nitrate và 5 mg/L organic nitrogen.Complete and balance the following equations: (a) Mg3N21s2 + H2O1l2 ¡ (b) C3H7OH1l2 + O21g2 ¡ (c) MnO21s2 + C1s2 ¡∆ (d) AlP1s2 + H2O1l2 ¡ (e) Na2S1s2 + HCl1aq2 ¡7 determination of sodium, potassium and calcium in water samples by ICP-OES. 1. kindly assist me with discussion in the experiment 2. results of the experiment 3 experimental/ methodology