for a substance (here Base is a compound ) that forms saturated solution concentration of cation that hydrated is equal to that of anionic concentration (may raise to some power). So [M+]=[OH-].
3. The pH of a saturated M(OH), solution is 9.80. Calculate the K, of MOH), 4....
S 14pts, 12min) Will a precipitate form when 60.0 ml of a 0 00750 M solution of NaF are mixed with 20.0 ml of a 00175 M solution of Ca(NO) The K, of CaF, is 1.46 x 1010 A guess is not work must be shown to receive credit
5. The K, for HCIO is 3.0 x 10 calculate the pH of a solution after 10.0, 20.0, 30.0, and 40.0 mL of 0.100 M NaOH has been added to 40.0 mL of 0.100 M HCIO
calculate the concentration of Co3+ om solution when 40.0 ml of 0.010 M Co(NO3)3 aq is mixed with 10.0 ml of 6.00 M NH3 aq given Co3+(aq) + 6NH3(aq) = (Co(NH3)6)3+(aq) Kf=4.5 x 10 (33)
Calculate the pH of a solution prepared by diluting 28.09 mL of 0.12 Ca(OH)2 with enough water to produce a total volume of 398.65 mL? Answer using two decimal place Calculate the pH of a solution when 22.0 mL of 0.05 M hydrazine (N2H4. Kb = 8.9 x 10-7 is titrated with 22.0 mL of 0.05 M HNO3. Answer to two decimal places. The figure below shows an overlay of two separate titration curves of an acid being titrated with...
i 52) (a) Use the enderson-Hasselbalch equation to calculate the pH of a buffer solution that is 0.45 M in and 0.15 M in NH,. (b) How would you prepare arn (The Ks for NH, is 1.8 x 10) NH4CI-NH, buffer that has a pHi of 9.007 of 0.100 M. The relevant equilibrium is shown below. What is the pH of this buffer solution? 9 54) At 40 C, the pH of water is 6.77, what is lon-Product Constant for...
please help!! calculate pH of solutions on second page a-c!! 1. (4 points) A buffer solution is created with C;H,NH, and 0.012 M C;HsNH2. The K, for C,H,NH2 is 4.7 х 104. What is the concentration of C,HNH, in the buffer solution that has a pH of 11.50? а. What is the concentration of the buffer solution if 0.0011 M HC is added to the buffer in part a.? b. Why is the buffer a basic solution? Could this weak...
56,57,58,59,60,61,62 56) For the reaction 3H2(g) + N2(g)s-2NH(g), determine the equilibrium constant at 600°C if at this temperature, the equilibrium concentrations are: [N2 453 M; H:-2.49 M and [NHs] 7.62 M 57) When a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter, the temperature of 100.0 g of water surrounding the reaction increased from 25.0°C to 31.50. If the specific heat of water is 1.00 calV(g.°C), calculate the quantity of energy in calories involved...
4. If more Br ions are added to a saturated PbBr solution, will the reaction shift? If so, which direction? Explain why or why not (4) PbBry(s) Pb2+ (aq) + 2 Brjag) 5. Write the expression for the solubility product, Kp. of PbBr2 (2) 3. Use the provided experimental data to calculate the equilibrium constant, K, for the reaction given below. Note the stoichiometry is not all 1 to 1. (7) Include the units for K Collaq) + 2SCN (aq)...
1. Calculate pH and % ionization of 0.25 M Naco (Ka (HCO2H) 1.8 x 10") 2- Calculate the pH of: a) 0.35 M HNO b) 0.15 M Sr(O)2 c) 0.08 M Ba(CIO4)2 3- Calculate the pH of 0.375 L buffer solution made of a 0.18 M Acetic acid HC2H:02(Ka 1.8x 10) and a 0.134 M Potassium acetate KC2Hs02 (do not use more than 3 digits beyond the decimal point) a) before adding anything b) after adding 0.010 mol Ba(OH)2 c)...
53) A buffer solution contains carbonic acid (H CO) and sodium bi carbonate (NaHCO), each at a concentration of 0.100 M. The relevant equilibrium is shown below. What is H:COs(ag)+ HOo (a)+HCOs (ag) K.-4.5x 10 54) At 40 C, the pH of water is 6.77, what is lon-Prodact Constant for Water, Kw.at 40°C 55) If a solution of acetic acid has a pH-2.74 and a pK474, wh in the solution? Show your calculations is the ratio of (CH Co/ICOH) 56)...