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chemisrty - ICE CHART DEPOSTION
See your post above.
Thursday, November 22, 2012 at 1:06pm by DrBob222

chemisrty - ICE CHART DEPOSTION
isnt the equilibrium of HNO2 0.0407 because the equilibrium of H+ is 0.0043? i am confused if no change occured in the reaction according to the chart...
Thursday, November 22, 2012 at 1:17pm by Tara

chemisrty - ICE CHART DEPOSTION
How do i find pH of HNO2 i just need a formula to follow cause i cant figure out the equation.
Thursday, November 22, 2012 at 1:17pm by Tara

chemisrty - ICE CHART DEPOSTION
How do i fill out an ICE chart when iam only given an initial concentration of one reactants and an equilibrium of another reaction? inital 0.045 HNO2(aq) Equilibrium 0.0043 H3O+(aq) NO2(aq) - no information my first thought was to sqaure root .0043 mol/l by 10 to find the ...
Thursday, November 22, 2012 at 1:06pm by Tara

chemisrty - ICE CHART DEPOSTION
How do i fill out an ICE chart when iam only given an initial concentration of one reactants and an equilibrium of another reaction? inital 0.045 HNO2(aq) Equilibrium 0.0043 H3O+(aq) NO2(aq) - no information my first thought was to sqaure root .0043 mol/l by 10 to find the ...
Thursday, November 22, 2012 at 1:17pm by Tara

chemisrty - ICE CHART DEPOSTION
..........HNO2 ==> H^+ + NO2^- I.........0.045M....0.....0 C.........-x........x.....x E........0.045-x....x.....x You know x = (H^+) = 0.0043M because the problem tells you this is the equilibrium concn of H3O^+; therefore, pH = -log(H^+) = ? BTW, the problem doesn't tell ...
Thursday, November 22, 2012 at 1:17pm by DrBob222

chemisrty
Note the correct spelling of celsius. q = heat to move the temperature of 445 g ice from -58 to -29. q = mass ice x specific heat ice x (Tfinal-Tinitial) = ??
Sunday, March 22, 2009 at 9:42pm by DrBob222

CHEMISTRY HELP!!
..............HCHO2 ==> H^+ + CHO2^- initial.......0.5.......0......0 change.........-x........x......x equil........0.5-x.......x......x Substitute the ICE chart values into K Ka = (H^+)(CHO2^-)/(HCHO2) and solve for (H^+) (which in the ICE chart is x).
Thursday, April 28, 2011 at 11:25am by DrBob222

Chemistry
CO(g) + CL2(g) <--> Cl2CO(g) Set up the ICE chart and substitute the equilibrium values into the Kdq you have writte. Calculate Keq from that. Can you set up the ICE chart?
Friday, April 11, 2008 at 12:42am by DrBob222

chemistry
...........HCOOH ==> H^+ + HCOO^- initial....0.125M.....0......0 change.......-x........x......x equil.....0.125-x......x......x The ICE chart is set up above. Ka = 1.8E-4 = (H^+)(HCOO^-)/(HCOOH) Substitute from the ICE chart and solve for (H^+).
Friday, November 11, 2011 at 7:42pm by DrBob222

Chemisrty
NH4^+ + H2O ==> H3O^+ + NH3 Set up an ICE chart, then substitute into the following: Ka = (Kw/Kb) = (H3O^+)(NH3)/(NH4^+) (H3O^+) = x = (NH3) (NH4^+) = (0.2-x)
Tuesday, February 22, 2011 at 9:56pm by DrBob222

Chemistry help please!
The PbCrO4 solution I showed you is an abbreviated ICE chart. But here is how you set it up. PCl5 ==> PCl3 + Cl2 When you do this, write ICE off to the left, then under each of the reactants and products, fill in the chart. With these boards, spacing is a very real problem ...
Thursday, May 20, 2010 at 9:06pm by DrBob222

chemistry
Set up an ICE chart, something like the following: ............HNO2 ==> H^+ + NO2^- initial....1.94M.....0.......0 change......-x.......+x.......+x final......1.94-x.....x........x Ka = (H^+)(NO2^-)/(HNO2) Substitute from the ICE chart to the Ka expression, solve for x and ...
Wednesday, December 15, 2010 at 3:32pm by DrBob222

Chemisrty
increases. the left side of the chart is the easy to remove electrons.
Tuesday, January 11, 2011 at 9:49pm by bobpursley

College Chemistry
I understand the ICE chart, but I'm unsure where you get the values to put in the chart?
Tuesday, April 13, 2010 at 6:39pm by MiShell

Chemistry
Write the equation. Set up an ICE chart. I think from just a quick look that the acid and base exactly neutralize each other; therefore, the pH will be that of the salt. Write the hydrolysis equation and set up an ICE chart and go from there.
Tuesday, May 12, 2009 at 8:21pm by DrBob222

science
At 472 deg C the reaction reaches equilibrium with the following composition: [H2]=7.38atm, [N2]=2.46atm, [NH3]=0.166atm. Into the equilibrium mixture 1.5 atm of N2 is introduced: a. Calculating Kp and Q, determine in which direction the reaction will proceed after addition of...
Monday, March 26, 2012 at 2:56pm by kim

Chemistry 20
a) H2SO4 is a strong acid (at least the first H is) and H2SO3 is a weak acid (both H are weak). The H3O^+ of H2SO4 is essentially the molarity. For H2SO3, you must set up an ICE chart from H2SO3 ==> H^+ + HSO3^- and solve for H^+ For H2S, H2S ==> H^+ + HS^- Set up ICE ...
Tuesday, November 23, 2010 at 9:20pm by DrBob222

Chemistry
HA ==> H^+ + A^= Set up an ICE chart for acetic acid, substitute into Ka expression and solve for H^+, then convert to pH. 2. Use the same ICE chart and add 30.0 mL x 0.1M NaOH and recalculate the H^+ and pH. Don't forget the dilution by the extra 30.0 mL of NaOH>
Wednesday, April 20, 2011 at 5:29pm by DrBob222

Chemisrty
A 10.0 g sample of ice at -14.0C is mixed with 124.0 g of water at 81.0C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. The heat capacities of H2O(s) and H2O(l) are 2.08 and 4.18 J/gC, respectively, and the enthalpy of fusion for ...
Sunday, December 9, 2012 at 10:16pm by Nancy

chemistry
a)Let HA = the weak acid, proanoic acid. ..............HA ==> H^+ + A^- initial......0.300....0......0 change.........-x......x......x equil........0.300-x...x.......x Ka = (H^+)(A^-)/(HA) Substitute from the ICE chart and solve for x, then convert to pH. b) This is a salt ...
Friday, December 2, 2011 at 2:44pm by DrBob222

Chemistry
There is only one Kc; that is 0.514. If you plug in (0.6)(0.6)/(1.4) you get 0.257 = the reaction quotient. That is smaller than Kc which means the reaction will shift to the right to re-establish equilibrium. I have set up the ICE chart for that equilibrium also. Kc = 0.514...
Tuesday, February 5, 2013 at 9:07pm by DrBob222

Chemistry
prepare an ICE chart and write the kb equation for F^- .............Fe^- + HOH == HF + OH^- initial....0.140...........0......0 change......-x.............x.......x equil.....0.140-x..........x.......x Kb for F^- = (Kw/Ka for HF) = (HF)(OH^-)/(HF) Substitute values from the ...
Tuesday, February 28, 2012 at 4:36pm by DrBob222

chem
(Cu^2+) = 4.8E-3/0.5 = 0.0096M Cu^2+. (NH3+) = 0.32M .........Cu^2+ + 4NH3 ==> Cu(NH3)4^2+ I......0.0096....0.32......0 C.....-0.00960..-4*0.0096..0.00960 E......0........0.282......0.00960 --------------------------------- What I have done above is form an ICE chart and ...
Thursday, March 28, 2013 at 5:21pm by DrBob222

Chemistry
You ALWAYS start with one or all of the following: 1. balanced equation 2. ICE chart 3. think in terms of mols. pH = 10.88 so pOH = 3.12 and OH^- = 7.58E-4 M..........BOH ==> B^+ + OH^- initial.0.035M.....0......0 change..7.58E-4..7.58E-4..7.58E-4 equil..0.035-7.58E-4.......
Monday, March 5, 2012 at 3:47pm by DrBob222

Chemistry Titration Lab
Calculate the theoretical pH after 2.50 mL and 9.50 mL of NaOH has been added in both the titration of HCl and of HC2H3O2. Given: Molarity of all chemicals are 0.1 M HCl and HC2H3O2 are 8ml prepared in 100ml water. Im guessing I need to make and ICE chart but I'm having ...
Thursday, May 5, 2011 at 11:07pm by Kim

Chemistry
Step 1. Write and balance the equation. Step 2. Complete the ICE chart (initial, change. equilibrium). Step 3. Write the Ka expression. Step 4. Substitute the E line of the ICE chart into Ka expression and solve for the unknown. .........HA ==> H^+ + A^- I........0.1....0...
Saturday, July 13, 2013 at 11:07am by DrBob222

Chemistry
After mixing but before reacting the concns are (Ag^+) = 0.0023/2 = 0.00115M (CN^-) = 0.21/2 = 0.105M I've divided by 2 since equal volumes of each have been added which means both dilute each other by a factor of 2. Then we do an ICE chart. ..........Ag^+ + 2CN^- --> Ag(CN...
Thursday, March 27, 2014 at 4:47pm by DrBob222

Chemistry
how do you compensate for coefficents while using a BCA chart? I know that you have to while using an ICE chart by multiplying by 2 when the coefficient is 2 etc, so thats why I was wondering...
Thursday, March 24, 2011 at 7:57pm by Brad

Chemistry
I must be honest and say I just wrote the numbers on the board under the appropriate reagent and I almost ALWAYS worked from moles. But this is the first time I have heard of the PUG chart. We can't draw on this board, however, and spaces don't work worth anything (for more ...
Friday, March 12, 2010 at 7:28pm by DrBob222

Chemistry
You need to learn where the arrow keys are and USE them. ...........2CO2 ==> 2CO + O2 initial....1.8........0....0 change.....-2x......2x.....x equi.....1.8-2x.....2x.....x Substitute the equil concns from the ICE chart into the Kc expression and solve for x. Then evaluate ...
Monday, February 20, 2012 at 9:12pm by DrBob222

Chemistry
NH4Cl + HAc ==> an acid + an acid I would set up an ICE chart for HAc (0.12M) and solve for (H^+). Then set up an ICE chart for hydrolysis of NH4^+, use the H^+ from HAc as a common ion and solve for NH3. NH4^+ + H2O ==> NH3 + H3O^+
Sunday, March 24, 2013 at 4:26pm by DrBob222

chemistry
A major suggestion: You MUST write an arrow; otherwise, we don't know where the reactants end and the products begin. a. Place the arrow. b. Set up an ICE chart. c. Plug the ICE numbers into the Kc experession. d. solve.
Sunday, October 25, 2009 at 5:28pm by DrBob222

Chemistry
PbF2 ==> Pb^+2 + 2F^- Ksp = (Pb^+2)(F^-) Set up an ICE chart and solve for solubility PbF2 and for F^-. Use F^- in the equation below for pH. F^- + HOH ==> HF + OH^- Kb = (HF)(OH^-)/(F^-). Set up ICE chart and solve for OH^-, convert to pOH, then to pH. For part a), from...
Monday, April 12, 2010 at 9:42pm by DrBob222

Chemistry
I think your problem is that you have substituted 5.83E-5 for the base while letting x stand for (H3O^+). x is ALSO (CH3NH2) at that point. The base, at that point, is ONLY the amount from the hydrolysis of the salt. I agree that x in the denominator is small and can be ...
Friday, March 12, 2010 at 7:09pm by DrBob222

Chemistry
Make an ICE chart. Total Fe = moles Fe(NO3) = 5.00 mL x 0.203 M = ??millimoles Fe. Total SCN = mL x M = 100 x 0.00205 = ??millimoles SCN ...............Fe^+3 + SCN^- ==> FeSCN^+2 initial...... change....... equil........ One caution here. The ICE chart prepared as above is ...
Sunday, April 3, 2011 at 4:51pm by DrBob222

chemisrty
a 445 g sample of ice at -58 degrees celcious untill its temperature reaches -29 degrees celcius. find the change in heat content system
Sunday, March 22, 2009 at 9:42pm by daniel

stats
The Quality Assurance Department selected a sample of 12 printed circuit boards and tested them. The number of defects in each circuit board was 3, 3, 0, 5, 1, 1, 5, 6, 6, 2, 0, and 1. What kind of control chart should be constructed to monitor the process? A. Mean chart B. ...
Friday, November 11, 2011 at 5:08pm by Tim

busi/stats
The Quality Assurance Department selected a sample of 12 printed circuit boards and tested them. The number of defects in each circuit board was 3, 3, 0, 5, 1, 1, 5, 6, 6, 2, 0, and 1. What kind of control chart should be constructed to monitor the process? A. Mean chart B. ...
Tuesday, November 22, 2011 at 7:23pm by Tim

Chemistry
What is an ICE chart?
Friday, April 11, 2008 at 12:42am by Help ASAP!!

chemistry
what is an ICE chart?
Monday, August 9, 2010 at 5:54pm by Lily

Chemistry
What is an ICE chart?
Thursday, May 12, 2011 at 8:33pm by Evie

Chemisrty
q1 = heat to raise T of ice from -14.0 C to zero C. q1 = mass ice x heat capacity ice x (Tf-Ti) where Tf is 0 and Ti = -14. q2 = heat to melt ice q2 = mass iced x heat fusion. q3 = heat to raise T of melted ice from zero C to Tfinal. q3 = mass melted H2O x specific heat H2O x...
Sunday, December 9, 2012 at 10:16pm by DrBob222

Chemistry
that simple and I've been working on this stuff for 5 hours! Thanks DrBob...I really wish my professor was able to break things down so clearly. Nice lady but she has a way of making me more and more confused... as for a PUG chart..maybe that's her own thing? It's similar to ...
Friday, March 12, 2010 at 7:28pm by Val

Chemistry!
1. Write the equation and prepare an ICE chart. ............NH3 + HOH ==> NH4^+ + OH^- initial......0.100........0........0 change.......-x..........+x.......+x final.......0.100-x.......x.........x Kb = (NH4^+)(OH^-)/(NH3) Substitute into Kb expression from the ICE chart ...
Wednesday, December 15, 2010 at 5:01pm by DrBob222

chem lab
with an ICE chart.
Tuesday, May 10, 2011 at 2:00am by DrBob222

chemistry
could you remind me what an ICE chart is?
Sunday, July 3, 2011 at 7:20pm by Anonymous

chemistry
Do an ICE chart. Let me know what you don't understand if you get stuck on that.
Monday, February 9, 2009 at 7:05pm by DrBob222

chemistry
yes. It is 0.1 initially, it is 0.1-x at equilibrium in the ICE chart.
Tuesday, March 30, 2010 at 7:31pm by DrBob222

Chemistry help please!
Uhh. what is an ICE chart?
Thursday, May 20, 2010 at 9:06pm by Ashley

chemistry
The best way to work these is in a two step process. The first step is to assume the complex forms completely (and with a huge formation constant that is a good assumption) with the aid of an ICE chart. The second step is to start with those materials and see how much they ...
Saturday, July 13, 2013 at 12:56am by DrBob222

CHEMISTRY> HELP QUICK! pls
For #1, this is a hydrolysis question. NO2^- + HOH ==> HNO2 + OH^- Kb = (Kw/Ka) = (HNO2)(OH^-)/(NO2^-) Make an ICE chart and substitute into the Kb equation. I'm unsure of why you included the pKa for HCN. The pKa you want is HNO2. For #2, ionize HCN. HCN ==> H^+ + CN^- ...
Tuesday, June 1, 2010 at 3:43am by DrBob222

Chem
I like the ICE chart and I learned to make ICE charts by volunteering to do this homework help. The I stands for initial, the C for change, and the E for equilibrium. It is a very good way to sum up a problem with initial, change, and equilibrium, and many teachers around the ...
Tuesday, February 19, 2013 at 5:15pm by DrBob222

AP Chemistry
for the ICE chart, does it need to be in moles or molarity?
Sunday, March 29, 2009 at 11:41pm by some kid

Chemistry
What's an ice chart? I don't think I had learned about that..
Monday, April 20, 2009 at 11:42pm by anonymous

college chemistry
Set up an ICE chart and go from there.
Tuesday, October 12, 2010 at 6:14pm by DrBob222

Chem II
I thought to do an ICE chart but was not sure if I did it correctly
Tuesday, October 2, 2012 at 10:02pm by Kia

physics
There is a problem that asks if an ice cube is dropped into nitrogen (boiling point of nitrogen is 77K), how much nitrogen will evaporate? heat lost by ice = heat gained by nitrogen But by is the equation m(ice)*c(ice)*deltaT = m(nitrogen)*L(vaporation) ? Why isn't it m(ice)*c...
Thursday, April 21, 2011 at 5:09pm by Pegs

chem
OHHHH got it, without the ICE chart I sort of get confused. Thanx!
Wednesday, May 13, 2009 at 10:07pm by Natash

chemistry
See my response above. Set up ICE chart etc.
Thursday, April 15, 2010 at 5:59pm by DrBob222

Chemistry
Make an ICE chart and substitute into Kc and solve.
Sunday, March 18, 2012 at 5:07pm by DrBob222

chemistry
There is a symbol on my ICE chart that i cant figure out what it is and its the c with an = sign through it
Sunday, November 25, 2012 at 1:59pm by beta

Chem
Thank you so much! I understand it now! I dont know what the ICE chart is so I didnt know what you were doing. But thank you!
Tuesday, February 19, 2013 at 5:15pm by Jhanvi

Chemistry
I think more than one. :-). 1.35 g/100g = 0.02933/100 g soln mass = v x density volume = m/d = 100/1.01 = 99 mL or 0.099 L So the M of the soln is 0.02933/0.099 = 0.296 M. You didn't set up an ICE chart. I am letting HX stand for formic acid. .........HX ==> H^+ + X^- ...
Friday, February 24, 2012 at 6:36pm by DrBob222

Chemistry
Is the ICE chart is the same as a list of initial, change and equilibrium values?
Friday, April 11, 2008 at 12:42am by Help ASAP!!

chemistry
Set up an ICE chart, substitute into Kc and solve.
Thursday, April 15, 2010 at 5:50pm by DrBob222

chemistry
What's a BCA table? Is that like an ICE chart; initial, change, equilibrium?
Sunday, May 20, 2012 at 6:14pm by DrBob222

Chemistry
I know how to do the ice chart and set up i just dont know how to get the x value that you are saying that i know...
Tuesday, March 26, 2013 at 1:15pm by Greg

chemistry
I think you must do an ICE chart and half the concentrations of Fe^+3 and SCN^- to start.
Tuesday, October 28, 2008 at 8:24pm by DrBob222

CHM 152
Set up an ICE chart and solve. Post your work if you get stuck.
Friday, March 26, 2010 at 1:51pm by DrBob222

Chemistry
Tell me what you don't understand about this. The Henderson-Hasselbalch equation will do all of these. An ICE chart will help with b and c.
Tuesday, November 29, 2011 at 5:09pm by DrBob222

Chemistry- urgent!
Thank you that was an extremely helpful explanation, but what is an ICE chart? I've never heard of that before
Thursday, December 15, 2011 at 11:45pm by Gabby

chemistry
what is this? i cant find it in my book or online and yet its on my ICE chart and have to fill out.......
Sunday, November 25, 2012 at 1:59pm by beta

Chemistry
I answered this below. Be sure to note the typo (2.8 should be 1.4 in the second ICE chart.)
Tuesday, February 5, 2013 at 10:56pm by DrBob222

Analytical Chemistry
I apologize that the ice chart got smushed like this when i posted the problem.
Wednesday, February 27, 2013 at 11:45am by Sam

Chem
See your other post above. Set up ICE chart and solve.
Tuesday, March 19, 2013 at 12:42pm by DrBob222

science
which of the following is the best reason salt is sometimes spread on icy highways? 1) when a car drives on the ice, the firstion created between the salt and the ice produces heat that melts the ice. 2)when salt chemically reacts with the water, the heat produced melts the ...
Wednesday, May 12, 2010 at 7:55pm by kayci

physics
Use the area, thickness, and density to calculate the mass of ice. Then mass ice x specific heat ice x 12.6 = joules necessary to raise the temperature of the ice to zero degrees C. then add in the amount to melt the ice which is mass ice x heat of fusion. Watch the units. ...
Monday, April 14, 2008 at 4:03pm by DrBob222

math
a) Complete the chart below to compare y=-3(x+4)^2-2 to y=a[k(x-d)]n +c. b) Describe the effects of a, k, d and c on the original curve y=x^2. CHART (doing my best to make a chart) y=x^2 / y=-3x^2 / y=-3(x+4)^2-2 ------ / ------- / ------------- / / (-2,4...
Wednesday, November 27, 2013 at 12:51pm by Miss K

gen chem
Have you tried setting up an ICE chart? That's the obvious way to go.
Sunday, May 9, 2010 at 3:42pm by DrBob222

chm
The same process as AgIO3 but you need to set up an ICE chart for it to make it clear.
Sunday, June 27, 2010 at 1:10pm by DrBob222

college chemistry
Set up an ICE chart, substitute into Kp expression, and solve.
Tuesday, October 5, 2010 at 2:41pm by DrBob222

chemistry
Use the Henderson-Hasselbalch equation and set up an ICE chart for the NaOH and HF.
Friday, March 25, 2011 at 4:42pm by DrBob222

chemistry
Set up an ICE chart, substitute into the Ka expression, and solve for the unknown.
Sunday, July 3, 2011 at 7:20pm by DrBob222

chemistry
Do you mean CuSO4? Kf = 1.1E13 = [Cu(NH3)4]^2+/(Cu^2+)(NH3)^4. Do this ICE chart in two steps. Here is the first one. With Kf so large the reaction goes to completion (almost) like this. ...Cu^2+ + NH3 ==>Cu(NH3)2+4 I..0.15.....6.5.......0 C..-0.15...-0.6.....+0.15 E....0...
Wednesday, November 21, 2012 at 8:11pm by DrBob222

Physics
Suppose 100 g of water at 20C is poured over a 70-g cube of ice with a temperature of -8C. If all the ice melts, what is the final temperature of the water? If all of the ice does not melt, how much ice remains when the waterice mixture reaches equilibrium? I'm aware that ...
Thursday, July 19, 2012 at 4:46pm by James

chemistry
Set up an ICE chart, substitute into Kc, and solve. Post your work if you get stuck.
Thursday, April 15, 2010 at 6:00pm by DrBob222

Chemistry
Set up an ICE chart, substitute into Kc, and solve for HI. Post your work if you get stuck.
Monday, October 18, 2010 at 6:05pm by DrBob222

AP Chemistry
I agree with 6.30 but I used the Henderson-Hasselbalch equation. It's easier and you don't need an ICE chart.
Monday, April 23, 2012 at 10:53am by DrBob222

Chemistry
Calculate the initial molarity of KNH2 and the molarities of K+, NH3, OH-, and H3O+ in an aqueous solution that contains 0.75 g of KNH2 in 0.255 L of solution. You may ignore the reaction of NH3 with water. I already found the initial molarity, but I am not sure how to find ...
Tuesday, February 23, 2010 at 5:04pm by Trixie

chemistry
millimoles HNO3 = mL x M = 50.00 x 0.3M = 15 millimoles. mmoles KOH = mL x 0.6M = mL = 0, 0mmoles KOH mL = 15.5, 9.3 mmoles mL = 25.0, 15 mmoles mL = 40.0, 24 mmoles I'll do the 15.5 or 9.3 mmoles KOH added. ..........HNO3 + KOH ==> KNO3 + H2O initial...15......0........0...
Friday, December 2, 2011 at 6:50pm by DrBob222

Chemistry
Set up an ICE chart, substitute into the Ksp expression, and solve. Post your work if you get stuck.
Monday, March 22, 2010 at 10:16pm by DrBob222

college chemistry
You have the equation. Set up an ICE chart, substitute into Kc expression and solve.
Wednesday, March 24, 2010 at 7:26pm by DrBob222

chemistry
Set up an ICE chart, substitute into the Ka expression, and solve for H^+. Post your work if you get stuck.
Saturday, November 13, 2010 at 8:58pm by DrBob222

Chem
Set up an ICE chart, substitute into the Ksp expression and solve. Post your work and I will critique it for you.
Wednesday, April 27, 2011 at 5:53pm by DrBob222

ABC Health Care Organizational Chart
need to download the organizational chart but the PDF file is not a win 32 application, what does this mean. I have adobe and all updates downloaded but cannot complete this organizational chart because I cannot download the material needed, "the organizational chart".
Friday, August 20, 2010 at 5:33pm by Mary

Chemistry
There are a couple of ways to look at this. I'll show you how to do it with a good bit of reasoning. There is another way that I think makes it easier to explain. I can show you that way if you have trouble understanding this. .........Co^2+ + 4NH3 ==> Co(NH3)4^2+ I......0....
Wednesday, May 9, 2012 at 11:10pm by DrBob222

chemistry
I would approach it this way but you go through the calculations. I will be using estimates and approximations. 4.3 = 4.74 log b/a b/a = about 0.36 or base = 0.36*acid You have the molarity of 0.0774 and that tells you acid + base = 0.0774. This equation and the ratio above ...
Tuesday, March 12, 2013 at 6:25pm by DrBob222

Chemistry
Set up an ICE chart, substitute into the Kc expression, and solve for the concns. Post your work if you get stuck.
Monday, October 18, 2010 at 5:58pm by DrBob222

Chemistry
Isn't this a buffer? NH4^+ + OH^- ==> NH3 + H2O Set up an ICE chart. Then use the Henderson-Hasselbalch equation.
Tuesday, June 21, 2011 at 10:29pm by DrBob222

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