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please show work i need to know this for a test Question 20 1 pts The...
Please show work 6. Determine the pH of a 0.35 M aqueous solution of (methylamine). The kb of methylamine is 4.4 x 10-4 1. 10 2. 3.8 3. 12 4. 1.9 _-7. The solubility of manganese(l) hydroxide (Mn(OH)2) is 2.2 x 10-5 M. What is the Ksp of Mn(OH)27 1. 1.1 x 10-14 2, 4.3×10-14 3. 2.1 x 10-14 4, 4.8×10-10 8. For which salt should the aqueous solubility be most sensitive to pH? 1. CaF2 2. Ca(NO3)2 3. CaCI12...
please show work. i need to know how to do this for a test Question 18 1 pts The concentration of flouride ions in a saturated solution of barium flouride is _M. The Ksp of BaF is 1.7 e-6. 1.5 e-2 O 7.5 e-3 O 1.4e-4 O 3.0 e-3 3.8 e-4 1 pts Question 19
please show work for 3 & 4 Question 3 1 pts Given that the solubility of Ba(OH)2 is 30.2 g L-?at 233°C calculate the Ksp of barium hydroxide. Report your answer to 4 decimal places. Question 4 Calculate the solubility (in grams per liter) of Fe(OH)3, which has a Kse of 7.38 x 10-15 at a given temperature. Report your answer to 3 significant digits, but do NOT include units.
please show work. i need this for a test Question 21 1 pts The reaction AB is first order in A. Consider the following data: Time (s) [A] (M) 0.0 2.3 10.0 0.58 20.0 0.14 The rate constant for this reaction is s-1 0.013 O 0.030 O 3.1e-3 O 0.14 O 3.0
Calculate the solubility product constant, Ksp, for Chromium(III) Hydroxide (Cr(OH)3) which has a solubility of 1.27 x 10-6g/L. 7.0 x 10-23 6.3x10-31 1.87 x 10-24 2.31 x 10-32 3.6 x 10-31 How is the molar solubility (s) of Tin(II) hydroxide related to Ksp? s = (Ksp) 1/2 s-(Ksp/4)1/3 s = (Ksp/108)1/5 s = (Ksp/9)1/3 s = (Ksp/27)1/4 Calculate the concentration of OH ions in a saturated solution of Manganese (1) hydroxide, Mn(OH)2 Ksp for Mn(OH)2 = 4.6 x 10-14 (Report...
please show work. i need to know how to do this for a test A flask is charged with 0.124 mol of A and allowed to react to form B according to the reaction A(g) →B(g). The following data are obtained for [A] as the reaction proceeds: Time (s) 0.00 10.0- 20.0 30.0 40.0 Moles of A 0.124 0.110 0.088 0.073 0.054 The average rate of disappearance of A between 10 s and 20 s is mol/s. ect Answer 2.2...
Please show all work! Will Rate!! Thank you. Question 4 (10 pts): Given that the solubility product constant, Ksp,for BaSO4 is 1.1 x 10-10, calculate the solubility of BaSOs in 0.1 MNa2SO4 solution in both units of mole/L and g/L
please show all work i need to know how to do this for a test The reaction AB is first order in (A). Consider the following data. Time (s) 0.0 5.0 10.0 15.0 20.0 [A] (M) 0.20 0.14 0.10 0.071 0.050 The concentration of A is Mafter 40.0 s. 1.3 e-2 O 0.17 O 3.5 e-4 0 0.025 1.2
please show all work. i need to know process for test A compound decomposes by a first-order process. If 60% of the compound remains after 60 minutes, the half-life of the compound is minutes. -5 O 44 0 -18 45 81
1. Using Table 38.3 in the Voyce text, calculate the solubility of Manganese(II) hydroxide at 25oC A. 5.7 x 10-5 B. 3.6 x 10-5 C. 4.4 x 10-7 2. The pH of a 0.0147M KCN solution is: A. 10.7 B. 5.52 C. 3.3 D. 8.48 3. The pH of a buffer solution composed of 0.020M HCHO2 and 0.014M NaCHO2 is: A. 3.59 B. 3.74 C. 3.90 4. When 400ml of a 0.01M SnCl2 solution is mixed with a 300ml if...