Kw 1.0 x 1014 Ks 6.6 X 10 for HF Kb 1.8 X 10 for NH 1. Calculate the [H'], [OHl, pH and pOH for 0.025 M HCl 2. Calculate the pH of 4.0 M hydrofluoric acid, HF. (over)
Solve for x. 0 -2 x – 6 -23 1 = 0 x +4 -2 -5 X - –6 X = Submit Answer Tries 0/10
please do only 5 and 7 PART II. Manually solve each of these diagonal systems. 5. Y'(x)=10-5 6, Y'(x)=| 0-5 0 |Yu), Y(0)=| 0-2 3 1 -1 0 Y(0)=| 0-4 3 0 0-2 7. Y'(x)=10-7 |Y(x), 0 0 0 3 PART II. Manually solve each of these diagonal systems. 5. Y'(x)=10-5 6, Y'(x)=| 0-5 0 |Yu), Y(0)=| 0-2 3 1 -1 0 Y(0)=| 0-4 3 0 0-2 7. Y'(x)=10-7 |Y(x), 0 0 0 3
C. 1.1 MULU d. a 2:3 mixture of 0.0125 MHNO3 and 0.0125 M KOH 15.37. Calculate the pH of a 1.33 X 10-9 M solution of LiOH. 15.38. Calculate the pH of a 6.9 X 10-8 M solution of HBr. Calculations Involving pH, Kq, and Ko
3. The Ksp for silver chloride is 1.8 x 10-10 at 25 °C. What is the solubility of silver chloride (in mol L"?) in 0.025 M tin(IV) chloride solution? a) 8.5 x 10-5 b) 6.7 x 108 c) 7.2 x 10-9 d) 1.8 x 10-9 e) 1.3 x 10-5 4. What is the concentration of Zn2+(aq) ions in the solution made by adding water to zinc nitrate (0.10 mol) and ammonia (3.0 mol) so that the final volume of solution...
For the following equilibrium expression: (0.05+x)(0.025+2x)^2 / (0.5-x)=0.255 Find the boundary conditions and roots for this equation([-0.0125, 0.5)] approximate solution is 0.2 In terms of A’s, B’s, C’s, etc. what do you suspect the reaction for this equation looks like? please dont leave out any steps
х 0 0 2 3 4 5 P(x) 0.172 0.387 0.293 0.118 0.025 0.005 The accompanying table describes the random variable x, the numbers of adults in groups of five who reported sleepwalking. Complete parts (a) through (d) below. Click the icon to view the table. a. Find the probability of getting exactly 4 sleepwalkers among 5 adults. (Type an integer or a decimal. Do not round.)
Calculate the solubility of CaSO4 (Ksp = 2.4 x 10^-5) in distilled water and in 0.025 M K2SO4 (include acitvity effects). The ionic diameter for Ca^2+ is 0.6, and the ionic diameter for SO4^2- is 0.4.
Solve the inequality for x: 5 + 3 0-1 .. 2 X-2 2-2 0(-0, 1) or (1.5, 2) O(-∞, 1.5) or (1.5, 2) O(-0, 1.5) or (2, 00) 0(-0, 2) or (2, 00)
Solve 3x2 - X = 10. X = 2 and x = -15 x= -5 and x = WIN X= 5 3 and x = 2 Ox= -3 and x = 10