Tuesday
October 21, 2014

Search: Calculate the pH of 0.10 M aqueous solution of each of the hydrochloric and acetic acids: Complete the following table.

Number of results: 72,263

chemistry
The fictitious compound, pandemonium carbonate Pn(CO3)2 hase a Ksp=3.091×10−9 M3 in water at room temperature. Calculate the solubility of Pn(CO3)2 in an aqueous solution of 1.11 M pandemonium sulfate Pn(SO4)2 (aq). Express your answer in units of molarity.
December 17, 2012 by anita

Chem
Estimate the equilibrium constant for the weak base (CH3)2NH, if a 1.59×10-2 M aqueous solution of (CH3)2NH has a pOH 2.58 (make an exact calculation assuming that initial concentration is not equal to the equilibrium concentration). (CH3)2NH + H2O = (CH3)2NH2+ + OH- I know ...
October 22, 2010 by Kyo

Chemistry
Yesterday we combined Hydrochloric Acid HCl with Sodium Hydroxide NaOH in a violent reaction that resulted in water H2O and common table salt NaCl. How many grams of hydrochloric acid should we use so we have exactly enough to react with 40g of sodium hydroxide? You'll need to...
June 19, 2014 by Sally

chemistry
a pH meter gives a readout of 9.35 when the probe is dipped into an aqueous solution containing the strong base NaOH. What is the molarity of this solution with the respect to sodium hydroxide?
May 7, 2008 by katie

chemistry
When an aqueous solution is cooled to low temperatures, part of the water freezes as pure ice. What happens to the freezing point of the remaining solution when this occurs? Explain.
January 31, 2009 by Anonymous

Chem9
An aqueous solution containing 35.1 grams of an unknown molecular (noneolectrolyte) compound in 152.5 grams of water was found to have a freezing point of -1.8 degrees C. Calculate the molar mass of the unknown compound.
May 2, 2011 by Ryan

Chemistry
Suppose you are going to add 450 mL of a 0.10 mol/L hydrochloric acid solution to 250 mL of a 0.2 mol/L sodium hydroxide solution. a)Which one is the limiting reactant? b)What is the theoretical yield of sodium chloride?
December 10, 2011 by Maame

Chemistry
3. A chemistry student makes up a 0.10 M solution of NaF(aq) and finds the pH to be 8.09. a. Explain why the presence of F- in this solution affects the pH. b. Write out the acid/base equilibrium equation for the reaction of F- with water. c. Use the measured pH value to solve...
April 4, 2012 by chamy

chemistry
if you are given a acid solution, how do you find the concentration of hydroxide .. solution is made of hydrochloric acid and sodium hydroxide
December 18, 2008 by Anonymous

science
hi guys I really need some help with my homework its so confusing here it is. 5.00g of glucose,C6H12O6, is dissolved in 500g of acetic acid. What is the new freezing point and boiling point for the solution? Kf,acetic acid = 3.90 Kb,acetic acid = 3.07 (normal freezing point ...
March 24, 2007 by stacy

Chemistry(Please check)
1) Which statement below is correct (true)? a) Since HNO2 is a stronger acid than HF it must have a greater pKa. b) Since HOCℓ is a stronger acid than HCN, then OCℓ– is a stronger base than CN–. c) The dissociation (or ionization) of HOCℓ in water is HOC&#...
March 24, 2012 by Hannah

Chemistry
1) Is chalk a mixture or a compound? 2)We say that reactive metals react with acids to give salt + hydrogen gas.Is it necessary to write "dilute acids"?
April 10, 2009 by janice

chemistry
a solution was perpared by dissolving 4.765 g of AlCl3 in enough water to give 250 mL of AlCl3? a. how do you calculate the molarity of the solution b. how do you calculate the osmolarity of the solution
October 5, 2011 by Anonymous

"Given Molality, calculate..."
"Given: An aqueous solution of C6H12O6 with a density of 1.18 g/ml" I) Calculate Molarity 1) It firsts asks me to, "State the moles of solute" 2) Calculate the mass of the solute in grams - I think I can do this if I know how to get #1 3) Later it also asks, "State the ...
November 19, 2006 by Rachel

chem engineering
Mass balance on an intravenous injection (IV) bag A nurse sets up an IV drip for a patient consisting of normal saline; assume that this is an aqueous solution containing 150mM salt. The saline drip is supplemented with an antibiotic solution; assume that this is an aqueous ...
October 28, 2009 by Christina

chemistry
calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid
March 29, 2012 by mark

chemistry
calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid
March 29, 2012 by mark

chemistry
calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid
March 29, 2012 by mark

chemistry
calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid
March 29, 2012 by mark

Chemistry
Can someone confirm that I'd be doing this right? If an 0.520 m aqueous solution freezes at -3.00 C, what is the van't Hoff factor, i, of the solute? It says I can find the Kf values on a table. I had no idea which Kf value to use... so i just used water... is that right? If ...
February 16, 2012 by David

Biomechanics
Describe the human gait cycle. Explain the sinusoidal pattern experienced in normal gait. Using the below data complete the table to determine stride length, stride rate and then calculate velocity. SLOW: The subject took 33 steps of approximately 0.981 m in length. It took 18...
May 7, 2012 by Chleo

chemistry
Write the balanced chemical equation for the reaction of sodium bicarbonate with aqueous acetic acid to produce carbon dioxide, water, and sodium acetate. Follow the example set by the sodium bicarbonate.
October 19, 2011 by Rodney

chemistry
Write the balanced chemical equation for each of these reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms. However, when additional aqueous hydroxide is added the precipitate redissolves ...
February 13, 2012 by Katie

Chemistry
_____ g of MnSO4 H2O are needed to prepare a solution of 100.00 mL of 0.700 M MnSO4 Dilution of 1.00mL of 0.7 M MnSO4 solution to 20.00 mL aqueous solution gives a new concentration of _____ M .
April 5, 2009 by Phan

chemistry
Given the following reaction: TiCl4 + O2→ TiO2 + Cl2 If 51.44 g TiCl4 react with 82.32 g O2 complete a mass balance table for this reaction.
November 17, 2011 by mary

chemistry
You weigh a sample of a monoprotic unknown acid and dissolve it in 50.00 mL of distilled water. Exactly half of this solution is titrated with Sodium Hydroxide to the phenolphthalein end point. The pH of the other half of the original solution is measured with a pH meter. The...
July 30, 2013 by faruk

chemistry
An aqueous solution of nitric acid is standardized by titration with a 0.121 M solution of calcium hydroxide. If 24.5 mL of base are required to neutralize 15.4 mL of the acid, what is the molarity of the nitric acid solution?
October 9, 2014 by arch

Biology
There are 20 amino acids that cells use to build the numerous amounts of proteins that are essential for life. If a protein molecule consisted of 100 amino acids, how many combinations are possible? What is the probability that out of the total possible combinations of the 100...
November 6, 2011 by Peter

chemistry
A volume of 40.0 of aqueous potassium hydroxide was titrated against a standard solution of sulfuric acid h2so4. What was the molarity of the solution if 20.02 of 1.50M h2s04 was needed? Who helps me to solve it for me.
July 31, 2012 by Fai

chemistry
Is it possible to make acetic anhydride from acetic acid/glacial?
September 24, 2011 by irfan

chemistry
30 ml of 0.1M sodium acetate and 15 ml of 0.1 M hydrochloric acid was mixed together. What is the pH of the resulting solution?
March 25, 2009 by Anonymous

chemistry
How much concentrated 12 M hydrochloric acid is needed to prepare 100.0 mL of a 2.0 M solution?
May 11, 2010 by {RayRay} NEED HELP PLZ

chemistry
how much concentrated 12 M hydrochloric acid is needed to prepare 100 mL of a 2.0 M solution?
March 28, 2012 by dellanie

CHEMISTRY HELP! ICE TABLES?
At a certain temperature, K = 9.1 10-4 for the following reaction. FeSCN2+(aq)= Fe3+(aq) + SCN -(aq) Calculate the concentrations of Fe3+, SCN -, and FeSCN2+ in a solution that is initially 4.0 M FeSCN2+. OKAY SO i started by doing an ice table with FeSCN2+(aq)= Fe3+(aq) + SCN...
January 15, 2009 by Taylor

CHEMISTRY
Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (a) Write a balanced chemical equation for the neutralization reaction upon which ...
November 27, 2012 by sabrina

CHEMISTRY
Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (a) Write a balanced chemical equation for the neutralization reaction upon which ...
November 28, 2012 by sabrina: PLease someone help!

CHEMISTRY
Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (a) Write a balanced chemical equation for the neutralization reaction upon which ...
November 28, 2012 by sabrina: I am having difficulties with this!

CHEMISTRY
Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (1a) Write a balanced chemical equation for the neutralization reaction upon which ...
November 28, 2012 by sabrina: Please help

CHEMISTRY
Ethylamine, CH3CH2NH2, is an organic base with pKb = 3.367 at 298 K. In an experiment, a 40.0 mL sample of 0.105 mol L-1 CH3CH2NH2 (aq) is titrated with 0.150 mol L-1 HI(aq) solution at 298 K. (1a) Write a balanced chemical equation for the neutralization reaction upon which ...
November 28, 2012 by sabrina: Please help

8th grade
Dear Sir, I have question related to Acids and Alkalis is that;- You are given a colourless solution.Describe three tests you would carry out to determine the solution is an acid or an alkali without tasting or using indicators. Please reply me quikly
September 26, 2008 by Fatima

Chemistry
The [H3O+] of a solution with pH = 3 is -10 M. 10 M. 1 x 10-3 M. 1 x 103 M. 1 x 10-11 M. Identify the acid(s) and base(s) in the following reaction: CH3COOH(aq) + NH3(aq) CH 3COO-(aq) + NH4+(aq) CH3COOH is the only acid, and NH3 is the only base. CH3COOH is the only base, and ...
June 12, 2010 by amanda

Chem AS
When either chlorine or hydrogen chloride is passed over a heated metal M, the same chloride is produced. An aqueous solution of this chloride is acidic. Which one of the following could be M? A: Al B: Ba C: Cu D: Fe E: Na Ans: A Help w explanation please! Thanks!
October 6, 2014 by Ariana

Chemistry
How do I convert 0.67275 M of acetic acid solution to V/V %?
October 25, 2010 by Anonymous

Chemistry
How to seperate acetic acid from aqueos solution.
July 5, 2011 by Micheal

Chemistry
How to seperate acetic acid from aqueos solution.
July 5, 2011 by Micheal

Chemistry, Science
Write the balanced chemical equation for each of these reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms. However, when additional aqueous hydroxide is added the precipitate redissolves ...
April 10, 2014 by Neeta

chemistr
10g of nacl were added to 10ml of water. he resulting solution was diluted to be a final volume of 250ml. Calculate the molarity of the solution. My calculation 10g/58g/mol = 0.173M 0.173M/025L =0.689M Given the density of the solution is 0.9864g/ml. Calculate the molality of ...
December 25, 2012 by Fai

Chemistry
Why can a buffer be created by the addition of sodium hydroxide to acetic acid, but not from the addition of sodium hydroxide to hydrochloric acid?
March 4, 2012 by Lindsey

Chemistry
Calculate the concentration of ions in the following saturated solutions. (a) [I −] in AgI solution with [Ag+] = 8.1 10-9 M (b) [Al3+] in Al(OH)3 solution with [OH −] = 1.8 10-9 M
March 17, 2013 by Anonymous

chemisty
What volume of HCl gas at 25â—¦ C and 1 atm should be bubbled into 375 mL of a 0.680 M aqueous solution of HClO4 so that the pH of the resulting solution is 0? Assume that all the HCl dissolves and that the volume of the solution does not change with the addition of HCl.
April 3, 2012 by Clayton

Chemistry
Could some please tell me if I did these problems correctly? (I know that I did not Cancel common aqueous ions yet) Question: Write the net ionic equation for the following 1)Mixing solution of barium acetate and sodium phosphate 2)Mixing solution of thallium sulphate and ...
November 7, 2009 by Dan

chemistry
For each of the following acid-base reactions, calculate the mass (in grams) of each acid necessary to completely react with and neutralize 3.60g of the base. 2HNO_3(aq) + Ca(OH)2(aq) -> 2H_2O(l) + Ca(NO_3)2(aq) H_2SO_4(aq) + 2KOH(aq) -> 2H_2O(l) + K_2SO_4(aq) how do i ...
October 20, 2007 by leo

Chemistry
how can i know if a solution is aqueous or solid? i have a test tomorrow and dont know how to do this PLEASE HELP!!! i have this question on my homework...Will precipitation occur when the following solutions are mixed? 1. Na2Co3 and AgNO3 2. NaNO3 and NiSO4 3. FeSO4 and Pb(NO3)2
October 4, 2009 by nina

Chemistry
CO2-Sensing probe (electrochemical device based on pas-permeable membrane) Eind=A-0.0592*log[CO2(aq)]ext, where A is constant which of the following may interfere with these measurements, if present in the aqueous solution: O2, N2, NO2 and Why?
December 26, 2011 by Michael

math
Write each of the following as a common fraction or mixed number. Write your answer in lowest terms. 28. 15.35 Complete each of the following statements, using the symbol < or > 30. 5/16 0.313 34. Statistics. The following table gives the winning percentages of the top ...
June 23, 2008 by dawn

chemistry
Please help ~~ Because i don't ever know the reaction in organic compound .. Do anyone has the data bank of the organic chemicals ? I cannot find out what are the compound in the reaction with it ~~ 1. What do butylamine give when it is dissolved in water ? A nearly pH10 ...
December 4, 2008 by initial D

Chemistry
Consider the following hypothetical aqueous reaction: A (aq)-->B(aq)}. A flask is charged with 0.065 (mole) of A in a total volume of 100.0 (mL}. The following data are collected: Time (min) 0 10 20 30 40 Moles of A .065 .051 .042 .035 .031 Calculate the average rate of ...
February 9, 2012 by Emily

Chemistry -
create a balanced chemical equation and state the type of reaction. Zinc metal reacts with aqueous silver nitrate to produce solid silver and an aqueous solution of zinc nitrate. please go step by step, would be very helpful.
May 29, 2010 by Lily

Chemistry
Calculate the freezing point depression and osmotic pressure at 25 degrees C of an aqueous solution of 1.0 g/L of a protein (mol wt= 90,000) if the density of the solution is 1.0 g/mL. I know how to calculate freezing point depression and osmotic pressure, but I'm having ...
March 24, 2007 by Jessica

AP CHEMISTRY
Calculate the solubility of LaF3 in grams per liter in the following solutions. (Ksp = 2. 10-19.) a) pure water Ans: .00182g/L b) 0.037 M KF solution c) 0.055 M LaCl3 solution NEED b&c PLEASE HELP
March 13, 2012 by HELP PLEASE

Chemistry
Use the data in Table 15.3 to calculate the equilibrium constant for the following reaction: HCOOH(aq) + OH(aq) <-->HCOO(aq) + H2O(l)
March 10, 2011 by vichka

Chemistry
Solve an equilibrium problem (using an ICE table) to calculate the of each of the following solutions. .16M CH3NH3Cl
March 30, 2013 by Dillon

Chemistry Help!!!
How will the osmotic preassure of an aqueous solution change as evaporation occurs? A.The osmotic preassure will increase. B.The osmotic preassure will not change. C.The osmotic preassure will decrease. D.The osmotic preassure will increase or decrease until it equals the ...
February 26, 2007 by Rob

chemistry
the student's lab manual says to mix some of his CaCl2 solution with an aqueous solution of sodium carbonate (Na2CO3). What evidence of a chemical reaction would he expect to see?
December 17, 2012 by jalisa

Chemistry
Calculate soln pH if 100 mL 0.10 M Na2S is mixed with 200 mL 0.050 M HCl. The hint is consider Kb for HS^-. The answer is pH=9.74. Can someone walk me through the neccessary steps to get this answer? What are the k1 and k2 values for H2S in your text? Sorry I'm just now ...
May 23, 2007 by John Peterson

chem. stuff+5
9. The reaction 2 H2O(l)>>>O2(g) + 2 H2(g) requires 2.06 V, but the reaction 2 H2O(l) + 2 Cl –(aq)>>> H2(g) + 2 OH –(aq) + Cl2(g) requires 2.19 V. If a 1.0 mol/L solution of aqueous NaCl is electrolyzed, what voltage should be applied to get O2(g), but not ...
June 17, 2006 by hey u!!

Chemistry
The following two solutions were combined and mixed well: 150.00 mL of a 3.500 M iron(ˇˇˇ) nitrate solution and 760.00mL of a 1.600M magnesium nitrate solution. 20.00mL of the final solution was transferred with a pipette into an empty 250.00mL volumetric flask. It was made up...
April 29, 2014 by Mantsha

Cheměstry
The following two solutions were combined and mixed well: 150.00 mL of a 3.500 M iron(ˇˇˇ) nitrate solution and 760.00mL of a 1.600M magnesium nitrate solution. 20.00mL of the final solution was transferred with a pipette into an empty 250.00mL volumetric flask. It was made up...
April 29, 2014 by Anonymous

chemistry
A 2.5 g sample of NaOH (Mw = 40.00) was dissolved in water to give a solution of final volume 250 cm3. (i) With reasons, state whether NaOH is a strong or a weak base. Give the conjugate acid of NaOH and decide whether this conjugate acid is acid, alkaline or neutral. (ii) ...
April 21, 2013 by LUx

Chemistry
What is the compound formed when sodium nitrite solution is added to butylamine and concentrated hydrochloric acid respectively ? Both of them formed NO2 as i know, but what is the other compound formed? or what was remained in the solution ?
December 6, 2008 by initial D

biology
im so confused with all of these okay so it tells me to do this table thing and the titles on the top are macromolecule,monomers, and function then it had beneath macro. carbohydrates, protein, lipids, and nucleic acids does anyone know how to explain this to me!
September 11, 2011 by alexus

chemistry
an aqueous solution solution of sodium borate is sometimes used to to fire-proof wood. a. what is the molarity of 2.50 L of solution that contains 1.85 moles of sodium borate? b. what is the molarity of 45.0 L of solution that contains 6.78 kg of sodium borate? c. how manny ...
April 7, 2013 by Jessica

STATS
7. Calculate b0 and b1 and make an equation of regression line for the set of data given in Table 3 Table 3 x y 1 12 2 15 3 16 5 18 6 21 8 23
March 30, 2010 by Mary

chemistry Damon check my calculation
25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of this solution required 20ml of this solution required 20ml of n/10 kmn04 solution for complete oxidation. Calculate the percentage of f2s047h20 in ...
January 4, 2014 by Fai

math
Copy each equation in Exercises 31–33. Replace the boldface italic letter with a number that shows the relationship indicated in the table. Then copy each table and complete it by using the corresponding equation.
February 26, 2010 by jarvis

math
Copy each equation in Exercises 31–33. Replace the boldface italic letter with a number that shows the relationship indicated in the table. Then copy each table and complete it by using the corresponding equation. 32. y= -x+b x y B 1 0 1 2 -1 1 8 -7 1 10 ? 20 ? 40 ?
May 6, 2011 by anonymous

CHEMISTRY
If 33.7 ml of 0.210 M KOH is required to completely neutralize 27.0 ml of a HC2H3O2 solution, what is the molarity of the acetic acid solution? HC2H3O2(aq)+ KOH(aq)-->KC2H3O2(aq)+H2O(l)
May 12, 2012 by Michael

Chemistry
a 4.000grams sample of aluminum metal is added to a solution containing 5.000grams of dissolved iron chloride. the reaction results in the formation of aluminum chloride and metallic iron. when the reaction is complete, unreacted aluminum remains, and this unreacted aluminum ...
March 26, 2014 by Anonymous

Chem
Please help are these right? A 2.3 mole sample of nitrogen (N2), has a volume of 50.0 L and a pressure of 630 mmHg. What is the temperature of the gas? 41.5 C which I converted to Kelvin and got 231.5K Calculate the molarity (M) of the following solutions: A) 2.0 moles of ...
November 29, 2010 by Jada

chemistry
1(a) when 25.0ml of 0.500 mol.dm3 H2SO4(AQ) SOLUTION IS added to 0.025dm3 of 1.00 moldm3 KOH SOLUTION , THE TEMPERATURE OF THE REACTION MIXTURE RISES FROM 23.50 CELCIUS TO 30.17 CELCIUS . THE SPECIFIC HEAT CAPACITY AND DENSITY OF WATER 4.20j.g.celcius and 1.00 g.cm. the ...
February 9, 2012 by mustafe

Maths
You have seven balls labelled 1,2,…,7 and seven unlabelled, indistinguishable boxes. How many different ways can the balls be placed into the boxes? Can anyone please work the complete solution. I got the answer but it was solved by my brother and he challenged me to get the ...
June 25, 2013 by Satyam

chemistry
In the extraction of an organic compound from a dilute aqueous solution, will the organic solvent form the uppoer or lower layer when each of the following solvent is used? a. chloroform b. cyclohexane c. heptane d. dichloromethane
September 23, 2008 by Poole

chemistry
Which of the following pairs of aqueous solutions will react when mixed? K2CO3 + HNO3 HCl + LiOH MgCl2 + KOH Li2S + HCl All of these solution pairs will produce reactions.
April 12, 2011 by Anonymous

Chemistry
The following data is collected for the decomposition of methy isonitrile at various tempertures: Temp.(C) k(/s) lnk 1/T 290--- 2.52*10^-5 ? ? 299--- 5.25*10^-5 ? ? 330--- 6.30*10^-4 ? ? Complete the table above and, using your graphing calculator determine the value of the ...
January 24, 2011 by Paul

Chemistry
The following data is collected for the decomposition of methy isonitrile at various tempertures: Temp.(C)---{k(/s)} --- lnk---1/T 290--- {2.52*10^-5}--- ?--- ? 299--- {5.25*10^-5}--- ? --- ? 330--- {6.30*10^-4}--- ?--- ? Complete the table above and, using your graphing ...
January 26, 2011 by Paul

Chemistry
The following data is collected for the decomposition of methy isonitrile at various tempertures: Temp.(C)---{k(/s)} --- lnk---1/T 290--- {2.52*10^-5}--- ?--- ? 299--- {5.25*10^-5}--- ? --- ? 330--- {6.30*10^-4}--- ?--- ? Complete the table above and, using your graphing ...
January 26, 2011 by Paul

geomery b
I need help understanding this so please help me?? 1. A table is 4 ft high. A small model of the table is 6 in. high. What is the ratio of the height of the model table to the height of the real table? 2 : 3 1 : 6 1 : 8 2 : 6 2. If a/b = 9/10, complete this statement: a/9...
April 6, 2011 by Jesicca

Algebra
100mL of a solution contains 30 mL of acid; this is called a 30% acid solution because part 30 ---- = ---- = 0.30. whole 100 How many milliliters of acid x would need to be added to the solution to turn it into a 50% solution ? (HInt: Adding acid increases both the volume of ...
October 23, 2013 by Stacey

Chemistry
500 mL of water is added to 25 mL of 6.0 M hydrochloric acid. What is the final concentration of this solution in mol/L?
October 5, 2009 by Ashley

chemistry
during an experiment, 20 ml of 4 M hydrochloric acid is mixed with 30 ml of water. what is the concentration of your new solution
August 21, 2013 by Emily

science
Suppose you wanted to produce 1.17 L of a 3.41 M aqueous solution of H2SO4. How many grams of solute are needed to make this solution? (H2SO4)
March 5, 2013 by josselyne

Chemistry
Q1 In order to determine the concentration of acetic acid in a sample of vinegar, a student titrated a sample of vinegar with potassium hydroxide solution. Dada from four trials was collected and recorded in a data table. Titiration of 10.0 mL of CH3COOH(aq) with 0.250 mol/L ...
September 28, 2006 by Brittany Rusk

chemistry
If 35.7{\rm mL} of 0.205{\rm M} {\rm KOH} is required to completely neutralize 20.0{\rm mL} of a {\rm HC_2H_3O_2} solution, what is the molarity of the acetic acid solution? {\rm HC_2H_3O_2}(aq) + {\rm KOH}(aq) \to {\rm KC_2H_3O_2}(aq) + {\rm H}_{2}{\rm O}(l)
July 30, 2012 by Anonymous

Chemistry
If your solution’s final volume of 32.55 mL yields 3.6 grams of AgCl, determine the Molarity of the final solution. Also, how many milliliters of a 1.85 M solution of AgNO3 did you add to an excess of aqueous NaCl to provide the 3.6 grams of AgCl?
March 26, 2013 by Shoba

chemistry
Describe how a 250.0 mL aqueous solution of 1.50 M MgCl2 is prepared from a stock solution of 6.00 M MgCl2. ANSWER: Measure 62.5 mL of the stock solution into a container and dilute to 250.0 mL so what i need explained is where did 62.5 mL come from?
December 13, 2010 by Stacy

chemistry
Calculate the pH of the following aqueous solutions: 1.00 mol/L sulfuric acid H+ = 1.00 M for the first ionization THe second one is guided by K2 K2 = (H+)(HSO4-)/(HSO4-) Plugging in K2 as follows: H+ = 1.00 + x SO4- = x HSO4= 1.00 - x Can someone please solve for x ?
April 7, 2008 by Ross

Chemistry
if an aqueous solution of BA(NO3)2 is added to 1.0 L of a solution containing 0.05 mol F- and 0.075 mol SO4 2-, which salt will precipitate first?
April 26, 2010 by Matt

chemistry
If the solubility of a particular solute is (10 g/100 g H2O) at 20°C, what solution concentration would represent a supersaturated aqueous solution of that solute?
February 8, 2011 by ashley

Chemistry
An aqueous solution containing 10.50 g of a compound in 100.0 ml of solution has an osmotic pressure of 0.0187 atm. at 25°C. What is the molecular weight of the compound?
March 31, 2013 by Sean

Chemistry
Hard ball candy is prepared from boiling an aqueous sugar solution that has a boiling point of 260.°F. What is the molality of this solution?
September 11, 2013 by Jade

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