Thursday
April 28, 2016

Homework Help: Science: Chemistry

Recent Homework Questions About Chemistry

Chemistry
Using the Table of Thermodynamic Data calculate Kp at 500 K for the reaction 2 HI(g)-->I2(g) + H2(g) , if Kp at 300 K is 2.16x10-3 , assuming that delta H˚ is constant.
Wednesday, March 23, 2016 by chris

Chemistry
The Kp for the production of phosgene is 18.0. If one mole each of CO and Cl2 are mixed at the total pressure of 1 atm, what will be the partial pressure (in atm) of COCl2 after equilibrium is reached, CO(g) + Cl2(g)-->COCl2(g)
Wednesday, March 23, 2016 by chris

Chemistry
If 30.47 kilograms of hydrogen are produced, then how many kilograms of zinc have been consumed?
Wednesday, March 23, 2016 by Jackie

Chemistry
Write a balanced equation from the following statement: Zinc metal and sulfuric acid are combined to form hydrogen gas and zinc sulfate (Enter the formulas in the order they are listed. Do not leave a space between the coefficient and the formula)
Wednesday, March 23, 2016 by Jackie

chemistry
How many liters of hydrogen will be produced when 3766 g of aluminum are combined with hydrobromic acid to make aluminum bromide?
Wednesday, March 23, 2016 by cara

Chemistry
What is the entropy change of liquid glycol (in cal K-1 mol-1 ) when it freezes at -25 ˚C?the heat of fusion of glycol is 2688 cal mol-1 , and the specific heats of liquid and solid glycol are 33.8 and 20.1 cal K-1 mol-1 , respectively.
Wednesday, March 23, 2016 by chris

Chemistry
How many grams of ammonia (NH3) will be produced when 0.281 grams of nitrogen are combined with hydrogen?
Wednesday, March 23, 2016 by Alice

CHS Chemistry
73.79g of a compound MCl2 contains 28.54g of chlorine. Determine the molar mass mystery element M.
Wednesday, March 23, 2016 by Arika

Chemistry
What mass of ammonium chloride must be decomposed to prepare 134 grams of ammonia (NH3). Hydrochloric acid will also be produced.
Wednesday, March 23, 2016 by AJ

chemistry
what kind of reactions require oxidizing agent(reduced or oxidized) for example SO3->SO4 does it require oxidizing or reducing agent why?
Wednesday, March 23, 2016 by ruth

chemistry
why were you instructed to add distilled water in step 12, and possibly more distilled water in step 15? what purpose does the water serve?
Wednesday, March 23, 2016 by kayla

Chemistry
Gold has a density of 19.3 g/cm3. The thickness of a piece of gold leaf weighing 1.93 mg and covering an area of 14.5 cm2 is? I solved for volume=10000cm3 then I solved for height and got 690cm is the thickness of gold leaf. Can anyone confirm or deny?
Wednesday, March 23, 2016 by Nikela (Plz Check my answer)

Chemistry
You dissolve 6g of Co(ClO4)2 (molar mass: 257.83) in 1 liter of water. Assuming the entire sample dissolves, how many individual perchlorate ions are present in this solution? I'm so lost where to start.
Wednesday, March 23, 2016 by Nikela

Chemistry
A compound of B and H is found to have a mass percent composition of 81.1% Boron. Its empirical formula is B2H5. A mass spectrometry experiment tells us that the molecular mass is 53.3 g/mol. What is its molecular formula? So I feel like this is a trick question, because I ...
Wednesday, March 23, 2016 by Nikela

Chemistry
Consider the chemical equation. 2H2 + O2 -> 2H2O What is the percent yield of H2O if 87.0 g of H2O is produced by combining 95.0 g of O2 and 11.0 g of H2? a 56.5% b 59.0% c 88.5% d 99.7%
Wednesday, March 23, 2016 by Kelly

Chemistry
The solubility of sodium chloride is 35.9/100 ml in STP, try dissolving 1 kg of salt in 1 l of water what happens? how much salt will be dissolved and how much salt will be insoluble?
Wednesday, March 23, 2016 by Anna

chemistry
3NO2(g) + H2O(l) → 2HNO3(l) + NO(g) How many moles of nitric acid are produced starting from 5.00 moles of NO2(g) and 2.00 moles of water? Please help,
Wednesday, March 23, 2016 by Sarah

Chemistry
If a mothball (C10H8) has a mass of 1.32 grams, how many naphthalene molecules does it contain? If I'm right just multiply 1.32g by 6.022*10^23 and the answer is 7.949*10^23 molecules. Is this right?
Wednesday, March 23, 2016 by Karisa (Check Answer)

Chemistry
What is the percent yield of the reaction below if 2.23g of hydrogen gas react with 55.3 g of iodine to produce 43.1g of HI. use the equation below: H2+I2=2HI the answers: a) 21.8 b) 77.3 c) 33.7 d) 87.1 I started by trying to find the limiting reagent. I multiplied the 2.23 g...
Tuesday, March 22, 2016 by John

Chemistry lab
A 1.340gram sample of an unknown acid, H3A, was placed in a 250.0 mL volumetric flask and diluted to volume with water. A 45.35 mL sample of this acid solution was titrated with 37.77 mL of a 0.1006M NaOH solution. A) Using one set - up dimensional analysis B) Calculate the ...
Tuesday, March 22, 2016 by Stacy

Chemistry
A certain compound contains 8.74% Carbon, 13.8% Fluorine, 77.4% Chlorine by weight. A possible molecular formula for this compound might be? I think the answer is CF2Cl26 multipy mass of each element by the percent: c: 12.01*.0874=1.049674 F: 19*.138=2.622 Cl: 35.45*.774=27....
Tuesday, March 22, 2016 by Karisa

Chemistry
Which four salts could undergo hydrolysis to act as buffers if added to their parent acid or base? KF KH2PO4 NaCl KBr NaClO4 C5H5NH3Cl NH4Cl
Tuesday, March 22, 2016 by Mikah

Chemistry
Which three substances' conjugates cannot act as buffers? i.e. There are no weak conjugates in the compounds. NH3 C6H5COOH H3PO4 NaHCO3 C5H5N HBr HF NaOH HClO4
Tuesday, March 22, 2016 by Mikah

Chemistry
a) If you have 5 dinitrogen monoxide molecules, how many nitrogen atoms do you have? b) If I had 5 moles of dinitrogen monoxide molecules, how many individual nitrogen atoms would I have? I think the answer for A is 6 nitrogen atoms. but I have no idea on B.
Tuesday, March 22, 2016 by Mae

Chemistry
Mothballs are composed of a chemical called naphthalene which has a formula of C10H8 a) what is the mass of a single naphthalene molecule in amu? b) what is the molar mass of naphthalene? c) what is the mass of a single naphthalene molecule in grams? I think I got b: 128.16 g/...
Tuesday, March 22, 2016 by Kiana

Chemistry
How many moles of compound are present in 17g of Fe2O3? I think I know how to do this, so if someone can show me so I can check my work against it. My answer was .106 moles of Fe2O3.
Tuesday, March 22, 2016 by Kiana

Chemistry
a) how many moles of atoms are in 1 mole of Ca3(PO3)2 b)If I have 1 mole of Ca3(PO3)2, how many moles of PO3^3- ions do I have? c)How many individual PO3^3- ions do I have?
Tuesday, March 22, 2016 by Kiana

Chemistry
125.0g each of two solids, lead (II) nitrate and pottassiuk iodide are dissolved in the same beaker. A reaction occurs that produces a precipitate. How many grams of precipitate are produced in the reaction?
Tuesday, March 22, 2016 by Lowery

Chemistry
What is the total mass of KNO3 that must be dissolved in 50 g of water at 60 degree C to make a saturated solution?
Tuesday, March 22, 2016 by Michael

Chemistry
20ml H2SO4 and 10ml HCl can be neutralized by 20ml NaOH (0.1M) separately.Calculate the pH of the acids?
Tuesday, March 22, 2016 by Obama

Grade 11 Chemistry
Why does methanol dissolve well in water. Explain using a diagram. I know that both H2O and CH3OH are polar, however what would I use for the diagram?
Tuesday, March 22, 2016 by Adobe

Chemistry
If all of the SCN- was not converted completely converted to FeNCS^2+ when the calibration curve was prepared, would this raise or lower the value of Keq? Explain
Tuesday, March 22, 2016 by Lyndsay

Chemistry - Gas Laws
Pressurized carbon dioxide inflators can be used to inflate a bicycle tire in the event of a flat. These inflators use metal cartridges that contain 16.0 g of carbon dioxide. At 295 K, to what pressure (in psi) can the carbon dioxide in the cartridge inflate a 3.15-L mountain ...
Tuesday, March 22, 2016 by Anna

Chemistry
for the redox reaction given in the chemical equation Pb(OH)4^2- (aq) + ClO- (aq) --> PbO2 (s) + Cl- (aq) For the oxidation half reaction I got Pb(OH)4^2- (aq) --> PbO2 (s) + 2H2O (l) + 2e- For the reduction half reaction I got 2e- + 2H2O(l) + ClO-(aq) --> Cl- (aq) + ...
Tuesday, March 22, 2016 by Anonymous

chemistry
A sample of water is known to contain 1.51 × 10^24 H2O molecules. How many moles of H2O molecules are present in the sample?
Tuesday, March 22, 2016 by Dave

Chemistry
Determine the pH of a 0,050M solution of lactic acid, CH3CH(OH)COOH (ka = 1.4x10^-4) and delta Grxn^o at 25 degrees C. Determine pH and delta Grxn^o at 25 degrees C I'm having trouble on getting started.
Tuesday, March 22, 2016 by Anonymous

chemistry
A reaction mixture of N2O4 and NO2 absorbs the heat given off in the combustion of 6.35 L CH4 measured at 24.7 C and 812 Torr. How many moles of N2O4 can be converted to NO2 as a result? CH4 + 2O2 --> CO2 + 2H2O Delta H = -890.3 KJ N2O4 --> 2NO2 Delta H = +57.2 KJ
Tuesday, March 22, 2016 by maddie

chemistry
how many grams of solid calcium oxide must react with excess water to liberate the same quantity of heat as does the combustion of 24.4 l of methane gas (CH4), measures ar 24.7 c and 753 torr? CaO +H2O --> Ca(OH)2 Delta H = -65.2 KJ CH4 + 2O2 --> CO2 +2H20 Delta H=-890.3...
Tuesday, March 22, 2016 by maddie

Chemistry
What is the solubility of X in mol/dm3 if 25cm3 of its saturated solution contains 4.0g of X (Molar mass of X=60)
Monday, March 21, 2016 by Toyety

chemistry
what type of a ligand would 18 crown 6 ether be? hexadentate?
Monday, March 21, 2016 by Anonymous

Chemistry
If you had observed the fate of an ice cube at 25 degrees Celsius, what would you conclude about the spontaneity of the process H2O (s) <-> H2O (l) ? I know for it to be spontaneous, delta G has to be negative, but how can I determine the delta G with the info given in ...
Monday, March 21, 2016 by Chelsea

Chemistry
Name the two functional groups found in benzyl acetate? Name the three functional groups found in PABA? Name the two functional groups found in Benzophenone
Monday, March 21, 2016 by Anonymous

Chemistry
name the three fundamental particles present in an atom
Monday, March 21, 2016 by Muluta Shalifu

chemistry
How do I make imgur dot com/kvxVZEv from cyclohexanone. Stork enamine synthesis results in a primary alcohol but I need secondary alcohol with one more carbon atom at right end.
Monday, March 21, 2016 by r.sh

chemistry
CH3-C(Cl)(C2H5)-CH(CH3)-C(NH2)(Br)-CH2-C​H2-C(CH3)3 IUPAC name of this compound
Monday, March 21, 2016 by Anonymous

Chemistry
How many grams of potassium nitrate, KNO3 are required to make 250 mL solution with a molarity of 0.40 M?
Monday, March 21, 2016 by Veronica

chemistry
(7 points) 1. The reaction that you just witnessed in while doing your titration was: HCl + NaOH  H2O + NaCl. This equation is balanced. Your unknown solutions contained HCl solutions of unknown concentrations, and your titrant was a 0.75 M solution of NaOH. Use the ...
Monday, March 21, 2016 by kat

Chemistry
A student used 5.06g of copper sulphate pentahydrate and salicyclic acid in the performance of the experiment. The student recovered 3.094g of salicyclic acid and 2.146g of copper sulphate pentahydrate. What is wrong with the student's result? How might this error have ...
Monday, March 21, 2016 by Tolu

chemistry
A 0.109g sample of a pure gaseous compound occupies 112ml at 100degrees and 750torr: what is the molecular weight of the compound. ANS=(30.2g,mol). Please I need the solution
Monday, March 21, 2016 by charles

chemistry 1020
You have 67.0 mL of a 0.400 M stock solution that must be diluted to 0.100 M. Assuming the volumes are additive, how much water should you add?
Sunday, March 20, 2016 by Anonymous

chemistry
Consider the following mechanism: STEP 1: A ---> B +C (slow) STEP 2: C+D ---> E (fast) OVERALL: A+D---> B+E Determine the rate law for the overall reaction (where the overall rate constant is represented as k). please help me. how do i do this problem?
Sunday, March 20, 2016 by Anna

Chemistry
The first part of this questions answer is 4.291975376e-4 What mass of KI must be added for PbI2 to form? Answer in units of g.
Sunday, March 20, 2016 by Jacaria

Science AP Chemistry
It is necessary to add iodide ions to precipitate the lead(II) ions from 250 mL of 0.076 M Pb(NO3)2(aq). What minimum iodide ion concentration is required for the onset of PbI2 precipitation? The solubility product of PbI2 is 1.4 × 10−8 . Answer in units of mol/L. ...
Sunday, March 20, 2016 by Jacaria

Chemistry
Which two conjugates could not undergo hydrolysis to act as buffers? C6H5COO- H2PO4- NH4+ ClO4- C5H5NH3+ F- Br-
Sunday, March 20, 2016 by Mikah

Chemistry
When 28g calcium reacts with 25 grams oxygen, how many grams calcium oxide form? I have 2Ca+ 2O2= 4CaO its is not working. Stoichemistry. I have the Ca as the reactant that is limiting? Please help.
Sunday, March 20, 2016 by Sarah

chemistry
When hydrogen peroxide (H2O2) is used in rocket fuels, it produces water, oxygen, and heat. 2H2O2(l)⟶2H2O(l)+O2(g)ΔH=​722;196kJ How many kilojoules are released when 2.65 moles of H2O2 reacts? How many kilojoules are released when 234 g of O2 is produced?
Sunday, March 20, 2016 by marcy

Chemistry
Aqueous sodium sulfide reacts with aqueous calcium chloride to make a solid. The % yield is 85%. Calculate the amount of each reactant needed to actually make 3.0g of the solid.
Sunday, March 20, 2016 by Dan

Chemistry Honors
Nitrosyl chloride (NOCl)decomposes to nitrogen oxide and chlorine gases. The concentration of NOCl drops from 0.580 M to 0.238 M in 8.00 min. Calculate the average rate of reaction over this time interval.
Sunday, March 20, 2016 by Caden

chemistry
Ould you please offer me some insight to this, Calculate the hydrogen ion concentration (H+) for the aqueous solution in which (OH-) is1×10-15 mol/L. Is this solution acidic, basic or neutral? Thanks in advance
Sunday, March 20, 2016 by lulu

chemistry
Then the answer would be 4828 grams, right. I was using 2 molecules of SO4. What is the mass of Na2SO4 needed to make 8.5L of 4.0 M solution?
Sunday, March 20, 2016 by lulu

chemistry
What mass of Na2SO4 is needed to make 8.5L of 4.0M solution? Is the answer 7480 grams?
Sunday, March 20, 2016 by lulu

Chemistry
What is the maximum amount of KCl that can disolve in 500 g of warer? The solubility of KCl is 34g/100 g H2O at 20 degrees C.
Saturday, March 19, 2016 by lulu

chemistry/statistics
replicate water samples were analyzed for water hardness with the following results : 102.2 , 102 .8 ,103.1, 102.3 of calcium trioxocarbonate . calculate the standard deviation of the mean and the coefficient of variation
Saturday, March 19, 2016 by austin

Chemistry
I am trying to determine the net ionic equation for Fe(NO3) and K3 PO4, can you help, I'm having a difficult time?
Saturday, March 19, 2016 by Michele

chemistry
Ammonia is often formed by reacting nitrogen and hydrogen gases. How many liters of ammonia gas can be formed from 23.7 L of hydrogen gas at 93.0°C and a pressure of 38.9 kPa?
Saturday, March 19, 2016 by anonymous

Chemistry
A chemist reacted 0.05 moles of solid sodium with water to form 50 cm3 of sodium hydroxide solution what mass of sodium was reacted?
Saturday, March 19, 2016 by Anonymous

chemistry
Consider an isomeric mixture of alkenes of molar mass M=70g/mol. Determine the molecular formula of the alkenes. Hyrogenation of the isomeric mixture produces alkanes. What is the name of the alkane. If the alkenes in the original mixture are in equimolar proportions what...
Saturday, March 19, 2016 by angy

chemistry
calculate the molarity of solution cacl2 . if on the chemical analysis . it is found that 200 ml of solution contains 3 into 10 raise the power 22 cl- ions
Friday, March 18, 2016 by muskan

Chemistry
Is it possible to make a buffer with a strong acid and a strong base? So I know a buffer consists of a weak acid and its conjugate base or a weak base and its conjugate acid. And I believe it is possible to make a buffer with a strong acid and weak base or a weak base and a ...
Friday, March 18, 2016 by Anonymous

Chemistry
Is it possible to make a buffer with a strong acid and a strong base? So I know a buffer consists of a weak acid and its conjugate base or a weak base and its conjugate acid. And I believe it is possible to make a buffer with a strong acid and weak base or a weak base and a ...
Friday, March 18, 2016 by Anonymous

Chemistry
How do i figure out if 2NO2 -> N2O4 is a redox reaction
Friday, March 18, 2016 by Cabby

chemistry
Rationalize how the addition of the silver nitrate to the Fe/SCN equilibrium system had an effect even though neither Ag nor NO3 appears in the equation shown in the text. Equation in text is FE3+ + SCN- <> [FeSCN]2+. I know that AgSCN is formed and precipitates and that...
Friday, March 18, 2016 by matt

chemistry
Consider an isomeric mixture of alkenes of molar mass M=70g/mol. Determine the molecular formula of the alkenes.
Friday, March 18, 2016 by vicky

Chemistry
How do you write out and finish the equation when:1: iron(lll) reacts with calcium metal: 2: Magnesium sulfide reacts with calcium phosphate
Friday, March 18, 2016 by Unknown

chemistry
A chemist mixes 96.8 g of ammonia, NH3, with 188 L of O2 at STP. How many grams of NO will be produced? The balanced equation for this reaction is: 4NH3 +5O2 = 4NO + 6H2O
Friday, March 18, 2016 by Faith

Chemistry
Given the balanced equation: H2 + Cl2 2 HCl , how many moles of HCl will be produced if 18.4 g H2 reacts with 127 g Cl2?
Friday, March 18, 2016 by Faith

Chemistry
The specific heat of aluminum is 0.900*j/g*C How much heat is required to raise the temperature of a 30.0 g block of aluminum from to 25.0 oC to 75 oC?
Friday, March 18, 2016 by Ashley

Chemistry
K2co3.xh2o weighted in 10,5 gramms reacted with chloride acid till there are no more k2co3.xh20 . Co2 was volumed 1.12 litres (0 celsius, 1 atmosphere). Determine how the number of x is!
Friday, March 18, 2016 by Axl

Chemistry
how much solid KNO3 will crystallize and a saturated solution of KNO3;if the solution is cooled from 65 degrees Celsius to 45 degrees Celsius.
Friday, March 18, 2016 by Rachel

chemistry
Which of the following is NOT true about a nuclear power plant? A. They can explode like a nuclear bomb. B. They produce radioactive waste that must be safely stored for many years. C. They produce fewer carbon emissions than a coal-fired power plant. D. They are a relatively ...
Friday, March 18, 2016 by louren

chemistry
What number is missing from this nuclear equation? ? 13Al + 1 0n --> 28 13Al A. 28 B. 41 C. 29 D. 27 would this be D? please explain, thank you!
Friday, March 18, 2016 by louren

chemistry
A radioactive isotope of radium (Ra-226) has a half-live of 1620 years. How much of this isotope remains after three (3) half-lives? A. 1/2 B. 1/4 C. 1/8 D. None would this be C? please explain, thank you!
Friday, March 18, 2016 by louren

chemistry
if we did this experiment in a refrigerator (4 C) would you expect that the volume of collected gas be greater than or less than the volume of gas you collected today at room temperature?
Friday, March 18, 2016 by Anonymous

Chemistry
What is the mass of all atoms in 2Fe+3O2=2Fe2O3
Thursday, March 17, 2016 by Devon

Chemistry
what is the maximum amount of NO2 which could be formed from 14.75 g of NO and 1.28 g of O2? Answer in units of mol. i believe its 2 NO + O2 -> 2 NO2 but I'm not sure and i don't know what to do when i tried with stoichiometry i got .4916 but when i got told its the...
Thursday, March 17, 2016 by Matt

Chemistry
How many ions does 3 moles of zinc hydroxide have? I believe 1 mole of zinc hydroxide contains 3 ions so do I just multiply it by 3?
Thursday, March 17, 2016 by Anthony

Chemistry
Convert 33°c and 43°c to Kelvin scale
Thursday, March 17, 2016 by Seyi

Chemistry
Calculate molarity of KNO3 solution if 69 g of salt are dissolved into 250 mL of solution
Thursday, March 17, 2016 by Marissa

chemistry
Hi, Can anyone suggest a protocol for preparing 1 Litre ammonical solution (pH 7.8, NH4-N, 3000 mg/L) from NH4Cl and NaOH? I have worked out that I need 10.7g NH4CL and 0.45 g NaOH -is this correct? I am assuming that 1st step is to prepare 0.45 g NaoH in 0.5 L distilled water...
Thursday, March 17, 2016 by niko

Chemistry
The equlibrium contstant for equation HNO2(aq) + H2O(l) <--> H3O+ (aq) + NO2-(aq) is Ka = 5.6 E-4 M at 25.0 C. What is the value of Delta G rxn at 25.0 C when [H3O+] = [NO2-] = 1.5E-3 M and [HNO2] = 0.75 M? a) -13.0 kJ*mol-1 b) -16. 9 kJ*mol-1 c) -18.9 kJ*mol-1 d) -31.5 ...
Thursday, March 17, 2016 by College Student

Chemistry
Under standard conditions, the Gibbs free energy of the reactants G,std(reactants) in a redox reaction in aqueous solution is 360.65 kJ and the Gibbs free energy of the products G,std(products) is 158.14 kJ. The number of moles, n, of electrons transferred in the redox ...
Wednesday, March 16, 2016 by Daphne

chemistry
Calculate the Molarity of the unknown acid if 25.0 mL of the acid reacts with 17.50 mL of 0.14 M NaOH solution. Assume that NaOH and acid react in 1:! ratio. Show your work. (Hint: Find the moles of NaOH from the given molarity and volume. mols of NaOH = mols of acid. Knowing ...
Wednesday, March 16, 2016 by shosho

Chemistry
Calculate the mass of KHP (molar mass 204.44 g/mol) that reacts with 15.0 mL of the 0.15 M NaOH solution (molar mass 40.00 g/mol) required for standardization of the NaOH solution. Show your work.
Wednesday, March 16, 2016 by shosho

Chemistry
If I am doing a fractional distillation, is the temperature of the first few drops of the distillation considered part of the boiling range? Or do you wait until later in the distillation?
Wednesday, March 16, 2016 by Danny

chemistry
Calculate the mass of copper (ii) sulphate which needs to be used to prepare 500cm³ of a 0.1M solution.
Wednesday, March 16, 2016 by Livingstone

Chemistry DR BOB
Under standard conditions of 1 atm and 298.15K, the half-cell reduction potential E,zero for the anode in a voltaic cell is 0.37V. The half-cell reduction potential E,zero for the cathode of the cell is 0.67V. The number of moles, n, of electrons transferred in the redox ...
Wednesday, March 16, 2016 by Brooke

Chemistry
Use the method of half reactions to balance the oxidation half reaction in acid solution as well as provide the oxidized and reduced reactants. Cr2O7 {2-} (aq) + F{-} (aq) = Cr {3+} (aq) + F2(aq) Charges are in { }
Tuesday, March 15, 2016 by Kevin

Chemistry
If it requires 23.4 milliliters of 0.65 molar barium hydroxide to neutralize 42.5 milliliters of nitric acid, solve for the molarity of the nitric acid solution. Show all of the work used to solve this problem. Unbalanced equation: Ba(OH)2 + HNO3 -> Ba(NO3)2 + H2O
Tuesday, March 15, 2016 by Lilly

Chemistry
Will cadmium hydroxide precipitate from 0.01M solution of cadmium chloride at pH 9. Ksp of cadmium hydroxide =2. 5×10-14 mole2/dm6
Tuesday, March 15, 2016 by Aqsa

Chemistry
What mass of naoh is neutralized by 43.55ml of 0.145m H2SO4?
Tuesday, March 15, 2016 by Maxx

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