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April 19, 2014

Search: (NH4)3PO4

Number of results: 939

Plese Help
Phuong trinh Ba(OH)2+(NH4)2SO4 TAO RA CHAT NAO
Thursday, October 9, 2008 at 8:58pm by Anonymous

Chemistry
What is the conjugate base for each of the following acids? NH3, HSO3-, H2PO4-, H3O+, NH4+.
Wednesday, December 22, 2010 at 6:52pm by Tarkan

Chemistry
Calculate the number of moles in these quantities. 1. 25.0 g KNO3 2. 5.4 x 102 g (NH4)2C2O4
Sunday, March 20, 2011 at 12:23am by Netta

chemistry
Will a precipitate form when an aqueous solution of (NH4)4CO3 is mixed with Fe(NO3)3
Tuesday, October 4, 2011 at 2:27pm by Anonymous

chemistry
Will a precipitate form when an aqueous solution of (NH4)4CO3 is mixed with Fe(NO3)3
Tuesday, October 4, 2011 at 2:27pm by Anonymous

chemistry
Will a precipitate form when an aqueous solution of (NH4)4CO3 is mixed with Fe(NO3)3
Tuesday, October 4, 2011 at 2:29pm by Anonymous

science
How many kilograms of NH3 are needed to produce 2.90 x 10^5 kg of (NH4)2SO4?
Wednesday, May 23, 2012 at 9:53pm by john

science
How many kilograms of NH3 are needed to produce 1.00 x 10^5 kg of (NH4)2SO4?
Wednesday, May 23, 2012 at 10:01pm by john

CHM
In the chemical formula of ammonium sulfate, (NH4)2SO4, how many hydrogen atoms are present? 4
Sunday, January 27, 2013 at 11:46pm by jakey

chemistry
how do I carry out qualitative analysis on (NH4)2SO4.FESO4.6H20
Sunday, April 14, 2013 at 8:59am by john manuel

chemistry
the total number of atoms represented in the formula: (NH4)3 PO4 (DOT) 6H20
Wednesday, December 11, 2013 at 12:10am by Desirea

AP Chemistry
Take a 100 g sample. This gives you 65.45 g C 5.49 g H 29.06 g O Convert to mols. 65.45/12 = ? 5.49/1 = ? 29.06/16 = ? Now find the ratio of those elements to each other. The easy way to do that is to divide the smallest number by itself; then divide the other two numbers by ...
Saturday, September 22, 2012 at 12:37am by DrBob222

chemistry
7. (a) Determine the crystal lattice energy for LiF(s) given that the ∆Hsubl for Li = 155kJ/mol, ∆H0f for F(g) = 78.99kJ/mol, IE1 of Li = 520kJ/mol, EA for Fluorine = -322kJ/mol and the ∆H0f LiF(s) = -589.5kJ/mol (b) For the following reactions: NH4NO3(s) + ...
Friday, August 5, 2011 at 8:07am by ceasar4

AP Chemistry
Write the balanced molecular, complete ionic, and net ionic equations for the reactions that occur when the following are mixed. (Type your answer using the format [NH4]+ for NH4+ and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients.) (a) solid silver hydroxide ...
Saturday, September 24, 2011 at 9:14pm by Rahul

Chem
Which of the following compounds is insouluble in water? - (NH4)2CO3 - AgBr - CuSO4 - KI - LiNO3
Wednesday, October 24, 2007 at 8:40pm by Taylor

chemistry
I should call your attention to your formula for ammonia. It is NH3 and not NH4. That could be why you are having trouble balancing it.
Friday, January 23, 2009 at 8:48pm by DrBob222

chemistry
Dissolve 3.50 g (NH4)2SO4 in some water and make to a final weight of 100.0
Thursday, May 13, 2010 at 12:02pm by DrBob222

Chemistry 110
Na^+ + Cl^- H^+ + Br^- Fe^+3 + SO4^-2 CH3CH2OH C6H12O6 NH4^+ + CH3COO^-
Tuesday, November 9, 2010 at 2:14pm by DrBob222

Chemistry
In the following reaction, which substance is acting as the Brønsted-Lowry acid? NH3 + H2O NH4+ + OH
Monday, June 13, 2011 at 10:50am by Johnny

CHEMISTRY
What happens to the NH4+ and Cl] ions when they enter the water? Does this process release or require energy?
Thursday, February 9, 2012 at 7:54pm by shay

chemistry
How many Liters of a 5.00 M Zn(NO3)2 would be needed to react with 200 g of (NH4)2S?
Wednesday, March 20, 2013 at 8:20pm by Stephen

chem!!!!!!
How many atoms of each type are represented in each of the following? f. 5Fe(No3)2 g. 4Mg3(PO4)2 h. 2(NH4)2SO4
Monday, July 29, 2013 at 12:17pm by victoria

ap chemistry
Calculate the ratio of [NH3]/[NH4+] that gives a solution of pH = 10.60.
Tuesday, February 4, 2014 at 7:03pm by gabriella

Chemm
I would have liked to see some volumes. As it is I assumed a volume of 1L so ..........OH^- + NH4^+ ==> NH3 + H2O initial..0.198..0.262......0.......0 change..-0.198..-0.198...+0.198..+0.198 equil......0......0.064....198....198 So what do you have. I see a weak base (NH3) ...
Monday, November 14, 2011 at 6:50pm by DrBob222

Chemistry Help Please!!!
#1 you have is close but not right. I would have written for the hydrolysis of NaC2H3O2 as a net ionic equation. CH3COO^- + H2O ==> CH3COOH + OH^- Kb for CH3COO^- = (Kw/Ka for CH3COOH) = about 1E-14/1.8E-5 = ? CO3^2- + HOH ==> HCO3^- + OH^- Kb for CO3^2- = (Kw/K2 for ...
Thursday, April 3, 2014 at 11:59pm by DrBob222

SCIENCE
GIVEN THE POSITIVE & NEGATIVE IONS, COMPLETE THE FOLLOWING BY WRITING A CHEMICAL FORMULA: NH4+, (C2H3OO)-
Sunday, April 19, 2009 at 10:17pm by KERRIE

chemisty
Take you pick and you will be right. How many atom in WHAT (NH4)2SO4. A bucket? A cup? A railroad car? The ocean?
Tuesday, March 9, 2010 at 8:20pm by DrBob222

chemistry
Which of the following ionic compounds is INSOLUBLE in water? a. CuSO4 b. AgBr c. KI d. (NH4)2CO3 e. LiNO3
Monday, March 29, 2010 at 5:54am by kolin

Chemistry
Find the limiting reagent. 2 NH4 (g) + 4 CuO (s) ==> N2(g) + 4 Cu(s) + 4H2O (g) Please explain, thank you!
Tuesday, September 21, 2010 at 8:13pm by Jack

Chemistry
Find the limiting reagent. 2 NH4 (g) + 4 CuO (s) ==> N2(g) + 4 Cu(s) + 4H2O (g) Please explain, thank you!
Tuesday, September 21, 2010 at 9:39pm by Jack

Chemistry
how can i find out how many moles of oxygen are in 9.85g of (NH4)2CO3 ? i want to know what steps to take and in what order.. please help
Friday, June 24, 2011 at 6:32pm by michelle

Chemistry Help
I think you have made a typo. These two substances don't react. (NH4)2S I might believe.
Friday, April 6, 2012 at 12:11am by DrBob222

Chemistry
what is the name of the ions that are formed when the following compounds dissolve in water. (a) BaBr2 (b) (NH4)2CrO4 (c)HBr
Friday, November 23, 2012 at 10:16pm by Shane

chemistry
Depends upon what you want to do? If you just want to determine the presence of NH4^+, SO4^2- and Fe, test individually for those.
Sunday, April 14, 2013 at 8:59am by DrBob222

Chemistry
Calculate the number of moles in 50 kg of ammonium sulfate (NH4)2 SO4 (with the steps please)
Wednesday, November 6, 2013 at 8:05am by Anonymous

Chemistry
Normally, Mn^2+ is in group III of the cation qualitative scheme and the hydroxide does NOT ppt in a solution of NH3 and NH4Cl. The NH4Cl is there to keep the OH^- DOWN so Ksp for Mn(OH)2 is not exceeded. However, this problem has no NH4Cl and that will let the OH^- be higher...
Tuesday, November 6, 2012 at 2:45pm by DrBob222

Stoichiometry Test
Thanks Damon i got a couple more lolz 2.Determine the formula mass of (NH4)2C4H4O6
Thursday, February 12, 2009 at 4:57pm by Cool Dom

Chemistry to DrBob
Hallo Dr.Bob wie sind die Oxidationszahlen von Fe (NH4)(SO4)2
Friday, April 18, 2008 at 1:25am by Caro

inorgani chemistry
what is the limiting reagent in a mixture of 1g of Fe(NH4)2(SO2)2.6H20 and 5ml of 1M H2C2O4?
Saturday, April 2, 2011 at 6:23am by thembeka

Chemistry
How do you assign oxidation states for each atom in the following compounds? 1. KMnO4 2. NiO2 3. Na4Fe(OH)6 4. (NH4)2HPO4 5. C6H12O6
Tuesday, August 23, 2011 at 4:13pm by Summer

chemistry
What is the concentration of a standard solution? - It was prepare to 250mL, it contained 9.7563g (O.lM) of (NH4) and 3mL of sulphuric acid.
Tuesday, September 20, 2011 at 4:17am by Tiff

Chemistry
Which of these is best described as an acid-base reaction? KCl + NH4NO3 = KNO3 + NH4Cl NH3 + H2O = NH4 + OH
Thursday, September 29, 2011 at 5:47pm by Anna

Chemistry
Which of these is best described as an acid-base reaction? KCl + NH4NO3 = KNO3 + NH4Cl NH3 + H2O = NH4 + OH
Thursday, September 29, 2011 at 5:47pm by Anna

Chemistry
Which of these is best described as an acid-base reaction? KCl + NH4NO3 = KNO3 + NH4Cl NH3 + H2O = NH4 + OH
Thursday, September 29, 2011 at 5:49pm by Anna

Chemistry
Which of these is best described as an acid-base reaction? KCl + NH4NO3 = KNO3 + NH4Cl NH3 + H2O = NH4 + OH
Thursday, September 29, 2011 at 6:13pm by Anna

chemistry
how do i calculate the number of moles of ammonium iron (ll) sulphate (NH4)2 Fe(SO4)2.6H2O in 1dm3 of solution?
Friday, December 30, 2011 at 10:39am by jevoy

Chemistry help PLEASE!!
For a solution that is 0.168 M NH3 and 0.104 M NH4Cl calculate the following.? [OH-] [NH4+] [Cl-] [H3O+] How would you do this :-/
Monday, March 12, 2012 at 4:18pm by Anonymous

chemistry
it is insoluible with everyting except for NH4+, and the group one elements like: K, Na, Li, Rd, ect...
Sunday, April 1, 2012 at 11:42am by segers

chemistry
(NH4)2CO3 = 2NH3 + CO2 + H2O If you have 3.5 moles of Ammonia how much carbon dioxide was also made?
Monday, April 6, 2009 at 8:45pm by Peter

chemistry
k thanks it says cu(nh4)2+ in my pre lab. yep. And then we added 5ml of 6M NH3 That step messed me up :)
Sunday, September 13, 2009 at 5:31pm by Jim_R

Chem
Which solvent, water or hexane (C6H14), would you choose to dissolve each of the following? 1. NaCl 2. HF 3. Octane 4. (NH4)2SO4
Monday, March 29, 2010 at 2:30pm by Stephany

chemistry
2NH3+H2SO4---> (NH4)2SO4 Calculate the mass of ammonia required to produce 125g of ammonium sulfate.|:
Wednesday, March 31, 2010 at 1:05am by Tanya

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

Chemistry
Write equations for the dissociation of the following in water. Include physical states for all species. CaCl2 and (NH4)2SO4
Tuesday, November 1, 2011 at 10:34am by Lach

CHEMISTRY
According to the equation H2SO4+2NH3 @(NH4)2SO4. What mass of ammonium sulfate will result from the reaction of 5.00 g of NH3?
Wednesday, June 19, 2013 at 6:31pm by DEEDEE

Chem
Using condensed electron configurations, give reactions showing the formation of the common ions of the following elements. (Type your answers in the following order. In the first box enter your answer using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2. For second box enter...
Sunday, October 10, 2010 at 11:37pm by Lucas

chemistry
What the problem means is that the solubility is increased due to the formation of the Cu(NH3)4^+2 ion and in fact that concn is greater than that of the Cu^+2 by itself. Here is what I would do. Cu(OH)2 ==> Cu^+2 + 2OH^- Cu^+2 + 4NH3 ==> Cu(NH3)4^+2 Write the Ksp ...
Monday, April 4, 2011 at 1:35am by DrBob222

Chemistry
wow, I just copied down two problems, heres the actual equation: FeBr3 + (NH4)2S to Fe2S3 + NH4Br
Tuesday, February 3, 2009 at 10:59pm by Anonymous

chemistry
k thanks it says cu(nh4)2+ in my pre lab. yep. And then we added 5ml of 6M NH3. Then duluted to 50.00ml mark.
Sunday, September 13, 2009 at 5:31pm by Jim_R

chemistry
how can i Specify what ions are present in solution upon dissolving each of the following substances in water: ZnCl2, HNO3, (NH4)2SO4,Ca(OH)2
Sunday, October 4, 2009 at 5:35pm by nina

Chemistry
Write an equation to show the dissolving of the following substance in water. (NH4)2SO4(s) NH42SO4 + H2O -> 2NH4 + SO4 + H^+ + OH-?
Tuesday, February 9, 2010 at 10:44pm by sh

chemistry
Which of the following when added to water will cause a significant change in the pH of the solution? 1 NH4HSO4 2 (NH4)2SO4 3 Na2SO4 I believe the answer is 1 & 2. is that right.
Saturday, May 15, 2010 at 6:26pm by George2

Chemistry
Write equations for the dissociation of the following in water. Include physical states for all species. CaCl2 (NH4)2SO4 NaC2H3O2
Monday, June 27, 2011 at 10:13am by Emily

to make equal
NH4+ + So4-2 + Zn+2 + 2Cl- -->>
Wednesday, March 10, 2010 at 2:34pm by Dymex

Chemistry
NH3 + H2SO4 ==> NH4HSO4 --> (NH4)2SO4
Tuesday, November 16, 2010 at 8:41pm by DrBob222

Chemistry
[atomic mass S/molar mass (NH4)2SO4)]*100 =
Saturday, March 19, 2011 at 2:37pm by DrBob222

Chemistry
Balance: NH3 + [Cd(NH3)4] > Cd2+ + NH4+
Wednesday, October 12, 2011 at 3:47pm by Pete

Chemistry
Forgot to add that c) has a + ion on NH4 and a -ion on NO3
Saturday, July 24, 2010 at 12:39pm by Bobby

Chemistry
For the reaction, Keq = (NH3)/(NH4^+)(OH^-) = 1/Kb for NH3
Monday, October 4, 2010 at 6:29pm by DrBob222

Chemistry
==> NH4^+(aq) + Cl^-(aq) + H2O(l)
Monday, January 27, 2014 at 4:09pm by DrBob222

Chemistry
I think its 2FeBr3 + 3(NH4)2S --->> Fe2S3 + 6NH4BR
Tuesday, February 3, 2009 at 10:59pm by Chopsticks

Chemistry II
mols (NH4)2CrO4 = grams/molar mass M = mols/L
Tuesday, September 3, 2013 at 10:35pm by DrBob222

Chemistry
What are the names and formula masses of MgSO4,MgSO4.7H20, and (NH4)2SO4. Please help
Tuesday, November 20, 2007 at 10:46pm by neil

Chemistry
I think what they want you to do is this. (NH4)2SO4(s) + H2O ==> 2NH4^+(aq) + SO4^-2(aq)
Tuesday, February 9, 2010 at 10:44pm by DrBob222

Chem
why is (NH4)2Cr2O7 >> N2 + Cr2O3 + 4 H2O balanced like this.
Wednesday, March 28, 2012 at 11:51am by Kenneth

Chemistry
NH4 is an ammonium ion. There are four H in the ion.
Sunday, May 31, 2009 at 2:41pm by bobpursley

Ap Chemistry
How can NH3 be a ligand but NH4+ is not a ligand??
Wednesday, March 17, 2010 at 8:27pm by Marta

Chemistry
Which of the following would you expect to act as bronsted-Lowry bases: Br-, H3PO4, H2O, Li+, NH4+, NH2-. Explain your choices. Thank you
Wednesday, December 22, 2010 at 6:46pm by Tarkan

Chemistry
To 0.360 L of 0.140 M NH3 is added 0.150 L of 0.100 M MgOH2. How many grams of (NH4)2SO4 should be present to prevent precipitation of Mg(OH)2 (s)? THANK YOU!!!
Thursday, June 23, 2011 at 6:26pm by Lilly

chemistry
How many grams of water are required to dissolve 27.8g of NH4(NO3)(MM=80.05 g/mol)to make a 0.500M solution?
Sunday, March 4, 2012 at 3:34pm by Carrie

pcc
Explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M FeBr3, 0.6 M CaCl2, 0.5 M Ba(NO3)2, 0.2 M (NH4)2SO4, 0.9 M KOH.
Tuesday, December 4, 2012 at 8:56am by Amsterdam

Chemistry
I would write this as 2NH4^+ + CO3^2-( ==> 2NH3(g) + CO2(g) + H2O(l) although some may want to see the SOLID (NH4)2CO3(s) displayed as is.
Thursday, February 21, 2013 at 1:45am by DrBob222

chemistry
This is a confusing one! How many faradays are required to convert a mole of NO2- ions to NH4+ ions? a. 4 b. 5 c. 6 d. 7 e. 8
Saturday, June 12, 2010 at 12:13am by ill matic

Chemistry
CaCl2 + H2O ==> Ca^2+(aq) + 2Cl^-(aq) (NH4)2SO4 is similar.
Tuesday, November 1, 2011 at 10:34am by DrBob222

chemistry
I wonder if you meant NH4^+. At any rate, NaCl is neutral in solution and the other compound will not be neutral.
Monday, February 20, 2012 at 2:44am by DrBob222

chemistry
Which of the following is not amphiprotic? a)H2O c)NH4+ e)all choices are amphiprotic b)HSO4 – d)H2PO4– need help!
Saturday, March 17, 2012 at 7:14pm by bob

Chemistry
Why wouldn't NH4OH exist? Is it because the strength of the Hydroxide dominates the strength of the weak acid: NH4+?
Friday, April 24, 2009 at 10:29pm by Goku

Chemistry Pleasee Help
For the first one, I wrote one last night for the complete (not net) equation. I wonder if the difference was real or someone made a typo. At any rate, for the net equation, it is, Ca^+2(aq) + SO4^-2(aq) ==> CaSO4(s) I don't understand what a "complete net equation" is. ...
Tuesday, October 5, 2010 at 10:40pm by DrBob222

Chemistry
The secret to acid/base problems is to recognize what you have produced in the problem and determine the pH from that. A buffer solution is prepared by mixing the weak base ammonia (Kb=1.77x10^-5) with ammonium chloride. The concentration of NH3 is 0.10M and that of NH4Cl is ...
Saturday, May 15, 2010 at 2:10pm by DrBob222

chemistry
CH3COONH4 + aq -> CH3COO-+ NH4+ what ammonium acetate comletely dissociate in aq.(wate)
Wednesday, January 23, 2013 at 12:11am by tejpal

chemistry
each liter of zinc nitrate has 5 moles in it. how many moles of (NH4)2S are there in 200g? Now balance the equation.
Wednesday, March 20, 2013 at 8:20pm by bobpursley

Chem HELP!!!!!!!
To 0.350L of 0.150M NH3 is added 0.150L of 0.100M MgCl2. How many grams of (NH4)2So4 should be present to prevent precipitation of Mg(0H)2(s)?
Saturday, April 18, 2009 at 6:17pm by Angel

chemistry
Which of the following compounds would result in an exchange reaction if mixed in an aqueous solution with (NH4)2S? a. SrCl2 b. Li2C2O4 c. CH3CO2Ag d. MnSO4 I don't know what to look for.
Wednesday, September 15, 2010 at 4:51pm by Morgan

Chemistry
How do you calculate the number of moles of NaOH to add to a liter of 1M NH4CL (pka of NH4+ = 9.25 ) to produce a solution buffering the pH at 8.75 ? thanks
Wednesday, June 29, 2011 at 2:45am by Lauren

chem
a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains _____ moles of ammonium ions?
Sunday, November 1, 2009 at 7:31pm by ashlee

chemistry
how to balance this equation? (NH4)2Cr2O7 ---- Cr2O3 + N2 + H2O plz tell step by step.i m a beginner
Thursday, May 6, 2010 at 3:11pm by abdullah

chemistry
I wonder if H stands for hydrogen or does it stand for H2. If H, then 16 x (molar mass (NH4)2SO4/8*atomic mass H) = ??
Thursday, November 4, 2010 at 9:21pm by DrBob222

Chem H
How do you write a balanced net ionic equation for the reaction Cr2(SO4)3(aq)+(NH4)2(CO3)(aq)?
Sunday, December 12, 2010 at 10:15pm by Sonia

Chemistry
How many Moles of solute particles are present in 1 mL of aqueous 0.070 M (NH4)2CO3? ____ mol of Particles
Wednesday, November 14, 2012 at 1:52pm by Kristen

chemistry
(NH4^+) = 3*0.500 M = ? (PO4^3-) = 0.500 M. I suppose you could add an encyclopedia of names for ions in this solution with a zero concn.
Monday, January 14, 2013 at 11:11am by DrBob222

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