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- (f) Potassium permanganate (g) Sodium hypochlorite (h) Beryllium bicarbonate (1) Ammonium dichromate (G) Iron (II) chlorideAll changes sav 6. When copper metal is added to silver nitrate in solution, silver metal and copper (II) nitrate are produced. What mass of silver is produced from 100.0 g Cu? Cue) + 2(AGNO); 2(Ag)(o) + Cu(NO3)2 O 200.4 g Ag 526 g Ag O 100 g Ag O 339.5 g Ag 2 00:56:55 PREVIOUS 6 of 12 NEXT Ce %23 24 & 2 3 5 6 7 W e VA mixture of solid chlorides was known to contain some or all of the following cations: Ag ,Al^3+Cr^3+,Ca^2+,and/or Zn^2+ . A student performed the following steps: 1.Water was added to the solid and the mixture was stirred well. After several minutes, some of the solid did not dissolve. The mixture was centrifuged and the supernatant was decanted from the solid (solution A). 2. NH4CI(aq) was added to solution A followed by NH3(aq) until the solution was basic to litmus. A gray-green precipitate was formed. The mixture was centrifuged and the supernatant (solution B) was decanted. The solid dissolved in NaOH(aq) and H2O2(aq) to form a light yellow solution. The solution was heated to dryness to remove the H2O2 and the solid was redissolved in HCI(aq). When ammonia was added to make the solution basic, a light yellow solution formed and no solid precipitated. 3. (NH4)2C204(aq) was added to solution B, and a precipitate formed. The mixture was centrifuged and the supernatant (solution C)…
- What is the equilibrium constant expression for: 4 NH3(g) + 502(g) = 4 NO(g) + 6 H20(1) [NH313[022 [NO][H20]2 O [ANOJ*(6H2O]6 [4NH3]4[502]5 NO]4 [NH3)4[O2]5 NO]H2] [NH2][O2] [NH3]4[02]5 NO]4What is Kc for the reaction: N22CO3 (s) + CO2 (g) + H2O (g) =2 NaHCO3 (s)? [NAHCO3]^2 / [Na2CO3] x [CO2] x [H2O] O [co2] x [H20] O 1/ [CO2] x [H2O] 2 x [NAHCO3] / [Na2CO3] x [CO2] x [H20]In which of the following aqueous solutions would you expect silver sulfide (Ag₂S, Ksp = 2 x 10-51) to have the greatest solubility? O 0.10 M NaOH O 0.10 M Bas O 0.10 M HNO3 O H₂0 (1) O 0.10 M AgNO3 1.0 L of a solution containing 2.0 x 10-7 M AgNO3 solution is mixed with 1.0 L of a 4.0 x 107 M NaBr solution. Ksp for AgBr is 5.0 x 10 -13 O a precipitate forms because Ksp < Q O no precipitate forms because K₁p < Q O a precipitate just begins to form because Q=Ksp Which of the following statements is true? The molar solubility of silver sulfate alone is approximately 1.6 x 102 M. Calculate the molar solubility of Ag2SO4 in a 0.20 M solution of AgNO3(aq). (Ksp (Ag2SO4) = 1.5 x 105) O 7.2 x 107 M O 6.2 x 10⁹ M O 3.2 x 10 M 99.94 M 3.8X18M
- 4. If the following values are used... Measure the mass of 0.400 g of cobalt(II) nitrate hexahydrate (Co(NO;)2 -6H2O), and dissolve it in 15.0 mL of distilled or deionized water using a clean beaker. Using a graduated cylinder, measure out 10.0 mL of a prepared 0.10-M sodium phosphate (NazPO4) solution. ... determine which compound, (Na3PO4 or Co(N03)2 ·6H2O) will be the limiting reagent. Then determine the theoretical yield.(k) Antimony (V) iodide (1) Gold (III) sulfide (m) Platinum (IV) phosphide (n) Bismuth (II) perchlorate (0) Mercury (I) cyanideWhat is 4c?
- 1. A buffer is prepared using lactic acid (HLac) and sodium lactate (NaLac). 0.300 dm3 of the 0.500 mol·dm–3 HLac solution is mixed with 0.300 dm3 of the 0.300 mol·dm–3 NaLac solution to prepare the buffer. Ka for lactic acid (HLac) is 1.4 x 10-4 What will the pH of the above solution be after 5.0 cm3 of 0.200 mol·dm–3 NaOH has been added to only 100.0 cm3 of this buffer? 2. Data in the table below were collected at 25°C for the following reaction:2 I–(aq) + S2O82–(aq) I2 (aq) + 2 SO42-(aq) a) Determine the rate law for the reaction. b) Calculate the rate constant, giving the correct units for k.The substance to be analyzed – is white, highly soluble in water salt. Interaction with concentrated sulfuric acid leads to evolving of reddish-brown gas with pungent odour. Addition of ammonium oxalate leads to formation of white precipitate, which is insoluble in acetic acid. Diphenylamine reaction turns color of the solution to violet. What kind of salt is this? Ca(NO3) 2 NaNO2 KBrO3 MgCl213. Hydroxyapatite is the main mineral component of bone. How many grams of hydroxyapatite will dissolve in 1.00 L of H20? Ksp = 2.34 x 10-59; Molar mass = 502.3 g/mol Cas (PO4)30H (s) 5 Ca2+ (aq) + 3 PO43- (aq) + OH- (aq)