5

# The ka for a weak monoprotic acid HA is 6.7 Ã—10-8. Calculate the concentration ofA- in units of M for a solution containing 0.055 MHA and 0.11 M of a strong mon...

## Question

###### The ka for a weak monoprotic acid HA is 6.7 Ã—10-8. Calculate the concentration ofA- in units of M for a solution containing 0.055 MHA and 0.11 M of a strong monoprotic acid.

The ka for a weak monoprotic acid HA is 6.7 Ã— 10-8. Calculate the concentration of A- in units of M for a solution containing 0.055 M HA and 0.11 M of a strong monoprotic acid.

#### Similar Solved Questions

##### The amount of strong acid added to a buffer solution cannot exceed the original amount of conjugate base present in order for the buffer to still work:True or FalseTrueFalse
The amount of strong acid added to a buffer solution cannot exceed the original amount of conjugate base present in order for the buffer to still work: True or False True False...
##### Pt) Real estate ads suggest that 60 % of homes for sale have garages; 35 % have swimming pools, and 11 % have both features What is the probability that a home for sale has a) a pool or a garage? Answer = %b) neither a pool nor a garage? Answer = %c) a pool but no garage? Answer%
pt) Real estate ads suggest that 60 % of homes for sale have garages; 35 % have swimming pools, and 11 % have both features What is the probability that a home for sale has a) a pool or a garage? Answer = % b) neither a pool nor a garage? Answer = % c) a pool but no garage? Answer %...
##### 1 point Find the volume of this prism: The givens areb = 3cm,h= 26,1=15 cm39 ccm 0 58.5 ccm117ccmn45 ccm
1 point Find the volume of this prism: The givens areb = 3cm,h= 26,1=15 cm 39 ccm 0 58.5 ccm 117ccmn 45 ccm...
##### At its Ames Research Center; NASA uses its large "20-G" centrifuge to test the effects of very large accelerations (hypergravity) on test pilots and astronauts In this device; an arm 7.7 m lang rotates about one ond in horizontal plane, and astronauts are strapped in at the other end: Suppose that when they use the device, the astronauts are aligned along the arm with their head at the outermost end: The maximum sustained acceleration to which humans are subjected in this machine is t
At its Ames Research Center; NASA uses its large "20-G" centrifuge to test the effects of very large accelerations (hypergravity) on test pilots and astronauts In this device; an arm 7.7 m lang rotates about one ond in horizontal plane, and astronauts are strapped in at the other end: Sup...
##### Question 4 A block of mass I is placed on an inclined plane of mass M as shown Figure 4 The block is rcleased from rest at an initial height h: All the surfaces are frictionless In which direction or y the momentum of the system is conserved? Determine the velocities of the inclined plane and the block 7 is the gravitational acceleration.) .gFigure 4
Question 4 A block of mass I is placed on an inclined plane of mass M as shown Figure 4 The block is rcleased from rest at an initial height h: All the surfaces are frictionless In which direction or y the momentum of the system is conserved? Determine the velocities of the inclined plane and the bl...
##### What is SQLJ used for? Describe the two types of iterators available in SQLJ.
What is SQLJ used for? Describe the two types of iterators available in SQLJ....
##### (1 point) Use the contour diagram for f (x, Y) shown below to estimate the directional derivative of the direction U at the point P(a) At the point P = (2,2) in the direction U = 7 the directional derivative is approximately(b) At the point P = (2,3) in the direction U = ~J, the directional derivative is approximately(c) At the point P = (4,1) in the direction U = ( + JYV, the directional derivative is approximatelyAt the point P = (4,0) in the direction U = ~i, the directional derivative is app
(1 point) Use the contour diagram for f (x, Y) shown below to estimate the directional derivative of the direction U at the point P (a) At the point P = (2,2) in the direction U = 7 the directional derivative is approximately (b) At the point P = (2,3) in the direction U = ~J, the directional deriva...
##### AacCdi Adbbc( AabDCcl AC I Normal 1No Spac _ Heading Heading 2ParagraphStylesSECTION 1 CNJE-WAY ANOVA [22 POANTS]study was conducted t0 compare the reaction of - three different groups of athletes. Specifically, 56 male athletics participated the study (18 basketball players, 17 soccer players and 21 field hockey players}. Each player performed series of tests to estimate thelr reaction time The mean and variance of the reaction time assessment for the three groups of athletes presented below- N
AacCdi Adbbc( AabDCcl AC I Normal 1No Spac _ Heading Heading 2 Paragraph Styles SECTION 1 CNJE-WAY ANOVA [22 POANTS] study was conducted t0 compare the reaction of - three different groups of athletes. Specifically, 56 male athletics participated the study (18 basketball players, 17 soccer players a...
##### An object and an observer are located $2 \mathrm{m}$ in front of a plane mirror, as shown in the following figure. If the observer is 3 m from the object, find the distance between the observer and the location of the object's image. (Check your book to see image)
An object and an observer are located $2 \mathrm{m}$ in front of a plane mirror, as shown in the following figure. If the observer is 3 m from the object, find the distance between the observer and the location of the object's image. (Check your book to see image)...
##### Find the center of mass and the moment of inertia about the $y$ -axis of a thin plate bounded by the line $y=1$ and the parabola $y=x^{2}$ if the density is $\delta(x, y)=y+1$.
Find the center of mass and the moment of inertia about the $y$ -axis of a thin plate bounded by the line $y=1$ and the parabola $y=x^{2}$ if the density is $\delta(x, y)=y+1$....
##### Intensity at a point 26.7 Cm radially outward from its axis (measured from the midpoint of the shell ) is 47100 N/C. What is the net charge on the shell? The Coulomb constant is 8.99 x 109 N m? '/C2 . Answer in units of C. Your answer must be within + 5.0%014 (part 2 of 2) 10.0 points What is the electric field at point 5.8 CIL from the axis? Answer in units of N/C. Your answer must be within + 5.0%015 10.0 pointsWhen a certain air-filled parallel-plate capac- itor is connected cross a bat
intensity at a point 26.7 Cm radially outward from its axis (measured from the midpoint of the shell ) is 47100 N/C. What is the net charge on the shell? The Coulomb constant is 8.99 x 109 N m? '/C2 . Answer in units of C. Your answer must be within + 5.0% 014 (part 2 of 2) 10.0 points What is...
##### Less quantitative dilutions can also be done without avolumetric flask, The precision of concentration is dependent onhow precise the volumes are transferred. For example a dilutesolution of HCl can be made using a precise amount of 5.0 M HCl anddistilled water. In this case the total volume of dilute HCl (V2)is the total volume of 5.0 M HCl plus the volume of water.Determine the volume (V1) of 5.9 M (M1) HCl in mL needed to prepare5.0 mL (V2) of 1.6 M (M2) HCl solution.
Less quantitative dilutions can also be done without a volumetric flask, The precision of concentration is dependent on how precise the volumes are transferred. For example a dilute solution of HCl can be made using a precise amount of 5.0 M HCl and distilled water. In this case the total volume of ...
##### Arod of length has & uniform positive charge Q. A positive charge q is located at distance from right end of the rod. To calculate force on q by QDraw a sketch showing infinitesimal charge dq at a distance x from 0. (3 pts)(b) Write expression for force dF on q due to dq: Also show direction of dF.(3 pts)Write dq in terms of Q and â‚¬ . (3 pts) (d) Finally, integrate with respect to x over the length of the rod and calculate the force (magnitude and direction) that the charge distribution
Arod of length has & uniform positive charge Q. A positive charge q is located at distance from right end of the rod. To calculate force on q by Q Draw a sketch showing infinitesimal charge dq at a distance x from 0. (3 pts) (b) Write expression for force dF on q due to dq: Also show direction...
##### The 5.(25%) A software system development project has eight activities and six events activities and their expected completion times (optimistic, most likely pessimistic) are as follows: B-E DZE CZF FZE Achvuy AZB AZC BZD CAD 147 440 3-6.9 444 3-33 Da%s 1-47 2-5-8 22-2(4) Represent the program in the form of the PERT network: (b) Determine the critical path of the network: (C) Calculate the probability that the project will take more than !5 days t0 complere Brodded between event D and event F (
The 5.(25%) A software system development project has eight activities and six events activities and their expected completion times (optimistic, most likely pessimistic) are as follows: B-E DZE CZF FZE Achvuy AZB AZC BZD CAD 147 440 3-6.9 444 3-33 Da%s 1-47 2-5-8 22-2 (4) Represent the program in t...
##### If unshaded spheres edresem nitrogen atom and shader sphereseni oxygen aloms which box representsciants and which represents producis for the reaclion NOz(9) _NO(g) - 0z(9)?box Teactans and box (b) productsboxeactants and box (b) productsbox reactants and box (d) productsbox (a) reaclants and box (d) products
If unshaded spheres edresem nitrogen atom and shader spher eseni oxygen aloms which box represents ciants and which represents producis for the reaclion NOz(9) _ NO(g) - 0z(9)? box Teactans and box (b) products box eactants and box (b) products box reactants and box (d) products box (a) reaclants an...