1. chemistry

    A beaker contain 300.ml of a 0,20 M Pb(NO3) solution. If 200 ml of 0,20M solution og MgCl2 is added to the beaker, What will be the concentration of Pb2+ ions in the resulting solution

    asked by mathew on October 12, 2014
  2. AP Chemistry

    If 400 mL of 3.2 molar HCl solution is added to 300 mL of 2 molar NaOH solution, what will be the molarity of NaCl in the resulting solution? Answer in units of M

    asked by Gabriella on January 30, 2014
  3. chemistry

    A 20.0 mL sample of an aqueous HClO3 solution is titrated with a 0.0275 M KOH solution. The equivalence point is reached with 28.5 mL of the base. The pH of the HClO3 solution, before titration, is

    asked by Maggie on March 13, 2012
  4. Chemistry

    calculate the molarity of cl- ions in a solution made from mixing 50.0 ml of a 0.100 m/l solution of ferric chloride with 50.0 ml of a 0.500 mol/l solution of ammonium chloride

    asked by Amy on March 29, 2015
  5. Chemistry

    A saturated solution of Mg(OH)2 is prepared having a large excess of Mg(OH)2. Sn(NO3)2 is added to the solution. Ksp = 1.9 x 10^-11 for Mg(OH)2 and Ksp = 6.0x10^-26 for Sn(OH)2. What [Sn2+] is required so that the [Mg2+] in solution will be 0.15 M?

    asked by Nikki on March 26, 2011
  6. chemistry

    If the endpoint in the titration of KHC8H4O4 solution with the NaOH solution is mistakenly surpassed, will the molar concentration of NaOH solution be reported too high or too low?

    asked by Kerapetsi on May 7, 2013
  7. chemistry

    A solution is prepared by dissolving 0.20 mol of acetic acid and 0.20 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

    asked by Anonymous on April 23, 2009
  8. chemistry

    To 160.0 mL of a buffer solution containing 0.250 M ammonia and 0.100 M ammonium chloride, 20.00 mL of 1.00M HClO4 are added. a) Calculate the pH of the new solution. b) What becomes the pH if another 20.00 mL of the same acid solution is added?

    asked by faizer on February 15, 2013
  9. Chemistry

    30cm of 0.3molar solution (0.3mol) were diluted to 0.1molar solution(0.1mol) by addition of water calculate A. The new molar solution B. Volume of water added

    asked by Turuchukwu on February 28, 2013
  10. chemistry

    how much of a 1.50M solution sodium sulfate solution in milliliters is required to completely precipitate all the barium in 150.0mL of a 0.250 M barium nitrate solution

    asked by Monique on November 6, 2011
  11. Chemistry

    A 635 mL solution of HBr is titrated with 0.51 M KOH. If it takes 1569 mL of the base solution to reach the equivalence point, what is the pH when only 141 mL of the base has been added to the solution?

    asked by Taylor J on September 27, 2016
  12. Chemistry

    Explain why the FeCl3-KCI-HCl solution was used as a reference solution. Suggest a procedure you could follow to determine whether it was necessary to use this solution as a reference or whether distilled water would have been just as satisfactory.

    asked by Alyssa on July 10, 2013
  13. AP Chemistry

    A 0.500 M HNO3 solution was used to titrate a 21.15 mL KOH solution. The endpoint was reached after 22.30 mL of titrant were delivered. Find the molar concentration of KOH in the original solution.

    asked by Rebecca on February 4, 2018
  14. Chemistry

    A 635 mL solution of HBr is titrated with 0.51 M KOH. If it takes 1569 mL of the base solution to reach the equivalence point, what is the pH when only 141 mL of the base has been added to the solution?

    asked by Taylor on September 27, 2016
  15. Chemistry

    What is the activity coefficient of H^+ in a solution containing 0.073 M HCl and 0.0090 M Ca(ClO4)2? What is the pH of the solution? I believe I have to find the ionic strength of the solution first, but I don't know how to find it when 2 solutions are

    asked by Sam on February 4, 2013
  16. chem

    15.0 mL of 0.30 M sodium phosphate solution reacts with 20.0 mL of 0.22 M lead(II) nitrate solution. What is the concentration of phosphate ions left in solution after the reaction is complete? A) 0.0 M B) 0.045 M C) 0.13 M D) 0.060 M E) 0.12 M

    asked by Bogdanam on December 15, 2010
  17. chemistry

    a 500ml stock solution of NAOH has a purity of 70% and a density of 1.9g/ml. calculate the concentration that would be in a 1L solution. calculate the molarity. What volume would we have to take to prepare 250ml of a solution of 0.1 mol/l

    asked by helen on March 12, 2016
  18. General Chem

    What do you call a solution that is maid by mixing solid Na2S2O3 5H20 with NaOH? Also, what is the complete balanced equation for mixing the above solution with an aqueous solution of NaClO? Thanks anyone!

    asked by Mark on June 22, 2011
  19. Chemistry

    1 liter of a 1 M lithium hydroxide solution is added to 1 liter of a 1 M barium chloride solution, and a precipitate forms. What ions are left in solution after the reaction is complete?

    asked by Olivia on November 13, 2011
  20. chemisrty

    A 21.00 sample of 0.3254M Hcl solution requires 26.09 ml of NaOH solution for complete neutralization. Calculate the volume of NaOH solution in liters, required for the titration.

    asked by ashley on April 25, 2013
  21. Chemistry

    A solution is prepared by dissolving 130 g of NaNO3 in 100 g of water at 80°C. The solution is cooled to 0°C. How many grams of compound remain in solution? How many grams of solid are formed?

    asked by George on April 3, 2011
  22. AP CHEMISTRY

    SOMEONE PLEASE EXPLAIN AND ANSWER THIS QUESTION : Will Co(OH)2 precipitate from solution if the pH of a 0.034 M solution of Co(NO3)2 is adjusted to 9.45? (Ksp of Co(OH)2 is 1.3 10-15) Support your answer by calculating the ion product (Q) of the Co(OH)2

    asked by HELP PLEASE on March 13, 2012
  23. Chemistry

    A solution is prepared by dissolving 130 g of NaNO3 in 100 g of water at 80°C. The solution is cooled to 0°C. How many grams of compound remain in solution? How may grams of solid are formed?

    asked by Craig on April 3, 2011
  24. Chemistry

    A solution is prepared by dissolving 0.12 mol of acetic acid and 0.12 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

    asked by Emma on March 25, 2013
  25. chemistry

    A solution is prepared by dissolving 0.20 mol of acetic acid and 0.20 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

    asked by Anonymous on April 23, 2009
  26. chemistry

    A sulfuric acid solution containing 571.8gg of H2SO4 per liter of solution has a density of 1.329 g/cm3 Calculate the mole fraction of H2SO4 in this solution.

    asked by jordan on January 16, 2014
  27. STEVE or REINY-plz help!

    Find a general solution to the first – degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible: dx/dt=sqrt(x+t+1) Thank you in advance for your help! =)

    asked by Elyse on July 8, 2013
  28. Differential equations,Calculus

    So I have the following differential equation. The general solution I have is: t=k(-1/r)+c I now need to find the particular solution when t=0 and the radius (r) = 1cm. So k is a constant which is approx 3.9 (5/4pi) So for the particular solution im really

    asked by Anon on February 22, 2017
  29. Chemistry

    A solution is prepared by dissolving 0.12 mol of acetic acid and 0.12 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

    asked by Emma on March 24, 2013
  30. chemistry

    What is the molarity of the acetic acid if 0.5ml of a vinegar solution has been titrated with the 0.101M solution of NaOH and the volume of the NaOH solution at the equivalence point is 5.0mL?

    asked by RC on May 13, 2013
  31. chemistry

    A solution is prepared by dissolving 0.20 mol of acetic acid and 0.20 mol of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.

    asked by Anonymous on April 23, 2009
  32. Chemistry

    The concentration of the stock solution will be approximately 7.50 x 10-5 M. How many milliliters of this stock solution is needed to prepare 50.0 mL of a 1.20 x 10-5 M solution? (Express your answer in the correct number of significant figures.

    asked by Jen on January 31, 2019
  33. chemistry

    A solution is prepared by adding 1.00 g of solid \rm NaCl to 50.0 mL of 0.100 M \rm {CaCl_2}. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 m

    asked by jared on October 2, 2011
  34. Chemistry

    Consider an aqueous solution that contains 22 % (by mass) of a hypothetical solute Z. The formula weight of the solute Z is 215.2. The density of the solution is observed to be 1.12 g/mL. What is the molarity of Z in this solution? Answer in grams

    asked by Susan on May 7, 2014
  35. chemistry

    dimethylglyoxime is used as a reagent in qualitative analysis to precipitate the nickel(II) ion. a solution is made by dissolving 57.0 grams of DMG in 430.0 g of ethanol. (a) what is the mole fraction of DMG in this solution? (b) what is the molality of

    asked by Anonymous on May 5, 2010
  36. Physics

    For a pulley system with 8 supporting strands, how far would you have to pull the rope to lift a 125 kg object 1.0 meters off the ground? What if the pulley system were only 80% efficient?

    asked by Lea on January 5, 2016
  37. ETH/125

    2.Sociologists point out that gender differences are maintained through a. systematic socialization. b. the legal system. c. the class system. d. biological differences. i am torn between a & d

    asked by beckylynn on July 10, 2013
  38. physics

    A system consists of a 0.130-kg chunk of ice floating in 1.12 kg of water, all at 0 ∘C. Part A How much thermal energy must be added to the system to convert it to 1.25 kg of water at 15.0 ∘C?

    asked by ...... on November 16, 2016
  39. physics

    You exert a force of 455N in pulling 15.0m of rope using a pulley system to lift a 935N object 5.0m. What is the efficiency of the pulley system? Please help, I appreciate it a lot.

    asked by Cynthia on June 13, 2009
  40. Health

    The portion of the nervous system that controls involuntary activities is a subdivision of the _______ nervous system. A. sympathetic C. peripheral B. central D. parasympathetic (c)

    asked by Amanda on April 23, 2009
  41. anatomy & physiology

    the portion of the nervous system that controls involuntary activities is a subdivision of the _______ nervous system? a) sympathetic b) central c)peripheral d) parasympathetic

    asked by AB on September 5, 2011
  42. Science

    The portion of the nervous system that controls involuntary activities is a subdivision of the ____ nervous system. A. sympathetic B. central C. peripheral D. parasympathetic I think it's either B or C right?

    asked by Dylan on September 1, 2010
  43. BUISNESS AND TECHNOLOGY

    1. No economic system has been able to respond quickly to the devastation caused by war or natural disasters. Why is the free market system more likely to respond faster?

    asked by ALEX on January 8, 2010
  44. algebra

    You are buying two kinds of notebooks for school. A three-ring notebook costs $6, and a spiral notebook costs $3. You must have at least five notebooks. The cost of the notebooks can be no more than $24. Which system of inequalities, along x>0 and y>0

    asked by sarah on October 25, 2016
  45. Pre-Algebra

    a student solved the equation x/4 +5=1 without showing all the work. the student's solution is incorrect. what error did the student make?

    asked by taylor on February 8, 2012
  46. math

    a student soved the equation x/+5=1 without showing all the work. the student's solution is incorrect. what error did the student make?

    asked by taylor on February 8, 2012
  47. Math

    Explain how you would factor x^2-5x-24 You must explain EACH step and process t get to your factored solution The work I have done - (x-8)(x+3) I just don't understand how to explain.

    asked by Kelly on April 19, 2017
  48. Chemistry PLEASE HELP!!!

    'A buffer is prepared by mixing a 100.omL of a 0.100 M NH3 solution with a 0.200M solution of NH4CL solution and making the total volume up to 1.000L of water. What is the volume of NH4Cl solution required to achieve a buffer at ph=9.5? Ka of

    asked by jemima on December 11, 2012
  49. Food Analysis

    1.If 0.5l of 5M solution of CU(NO3) is diluted to a volume of 0.80l by adding water, what is the molarity of the resulting diluted solution? 2.How many ml of water will be required to dilute 11ml of 0.45Macid solution to a molarity of 0.1M? 3.Calculate the

    asked by Sarah on March 8, 2011
  50. Chemistry

    Is my answer in 3 sig fig or 4 sig fig?? A solution is prepared by dissolving 12.80 g of magnesium chlorite in enough water to make 200.0 mL of stock solution. A 25.0 mL aliquot (portion) of this stock solution is then removed and added to 250.0 mL of

    asked by Anonymous on October 20, 2013
  51. chemistry

    this is a lab i am working on and this is what is says: Solution A is mixed with water to produce solutions of varying concentration. These altered concentrations of solution A is added to a set amount of solution B and the reaction times are noted when

    asked by Arnold on January 5, 2012
  52. Pre-calculus

    Find the value for c for which the system is consistent and dependent. 3x + y = 5 4.5y = c + 9x Find the minimum value of f(x, y) = y – x + 1 for the polygonal convex set determined by this system of inequalities. x > 0 y > 0 2x + y< 4

    asked by brandi on April 8, 2012
  53. Science 7R (another qs.)

    Give an exmaple of an organ system in an animal and name the parts that make up the organ system? need help!!! plz thank u ps: just need 2-3 sentences to answer this qs.

    asked by Laruen on December 7, 2011
  54. Geometry

    Historically, why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format

    asked by Mike on May 10, 2016
  55. Algebra

    my question is:Suppose you want to add a sprinkler system, and the location of one section of the sprinkler system le can be described by the equation: y= -1/2x -4, this is what I got 4+y= -1/2x - 4 +4, 4y= 1/2x -1/2x; y=4 and x=0 making the answer (0,4).

    asked by A. W. on February 15, 2009
  56. Math

    Historically, why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format

    asked by Mike on May 10, 2016
  57. language of medicine medical billing and coding

    How does the musculoskeletal system change from birth to adulthood and what are the steps that the system goes through from childhood to adulthood to reach 206 bones?

    asked by Jessica on March 21, 2014
  58. Physics

    15. A refrigerator weighing 1500 N is to be lifted onto a truck bed that is 1.0 m above the ground. When pushed up a slanting ramp 2.0 m in length a force parallel to the ramp of only 800 N is required to move it at constant velocity. Comparing the work

    asked by Anonymous on July 8, 2014
  59. CHEM

    How do I work the following question? I found the amu of CaCO3=101.0872g/mol; 2HCL=72.92128g/mol; H2O=18.1582g/mol;CO2=44.0098g/mol; and, CaCl2=110.9834g/mol. You carefully weigh out 10.00g of powder and add it to 40.50g of solution. You notice bubbles as

    asked by d on October 1, 2007
  60. physics

    an 85kg concrete block rests on a flat surface with coefficient of static friction us=0.42. find the maximum force that can pull on the block with, angle of 38 degrees above the horizontal without moving the block? please help and show work

    asked by nick on October 9, 2016
  61. physics

    A car weighing 1.0 x 10^4N is parked on a 34 degree slope. The brakes fail and the car starts to slide down the hill. Assume no friction. Show your work, and determine a) the acceleration of the car, and b) after it has moved 28.0 m, how fast is it moving?

    asked by Andy on November 2, 2014
  62. Math

    an 8% solution, a 10% solution, and a 20% solution of sulfuric acid are to be mixed to get 100 milliliters of a 12% solution. How many milliliters of each must be mixed if the volume of the 20% solution must be 25 milliliters less than the volume of the

    asked by Matt on March 20, 2017
  63. Algebra story problem

    I need to turn this story into an algebra problem: Your cousin ears $25 per week babysitting and receives one $5 bonus. You earn $15 per week mowing lawns and $12 a week running errands. After working the same number of weeks, you have $11 more than your

    asked by Avalon on November 18, 2006
  64. ap chemistry

    please explain titration problems. I'm a total noob at this and am trying to answer some prelab questions. Examples: 1. How many mL of a 0.800 M NaOH solution is needed to just neutralize 40 mL of a 0.600 M HCl solution? 2. You wish to determine the

    asked by chris on October 2, 2008
  65. Analytical Chemistry

    A 22.617 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 70.407 g of water. A 10.883 g aliquot of this solution is then titrated with 0.1072 M HCl. It required 29.32 mL of the HCl solution to reach

    asked by Sam on February 28, 2013
  66. SIXTH GRADE MATH

    The ratio of wins to losses for a basketball team is 2:3. Which of the following is a possible total number of games? A. 7 games B. 14 games C. 25 games D. 26 games Can someone show me how to solve this problem please?

    asked by STEPHON on November 29, 2014
  67. SIXTH GRADE MATH

    The ratio of wins to losses for a basketball team is 2:3. Which of the following is a possible total number of games? A. 7 games B. 14 games C. 25 games D. 26 games Can someone show me how to solve this problem please?

    asked by Stephon on November 30, 2014
  68. math, algebra

    How do you solve the following: Directions:Factor Can you show me!!! (1) x^2-x-12 (2)x^3+2x^2-3x Here is how I do it. First make two sets of parentheses. ( )( ) The first in each set of parentheses must give x2. Obviously that is x and x. Looks like this.

    asked by jasmine20 on December 12, 2006
  69. Social Studies

    My answers are the choices marked by the heart! 1. Which of the following best summarizes how the environment impacted the growth of the Maya? A. The Maya had to adapt to living in high elevations with thin oxygen. B.♡ The Maya had to learn farming

    asked by Junko :D on December 13, 2018
  70. Chemistryyy

    a) A standard solution of 0.243 M NaOH was used to determine the concentration of a hydrochloric acid solution. If 46.33 mL of NaOH is needed to neutralize 10.00 mL of the acid, what is the molar concentration of the acid? b) A 0.150 M sodium chloride

    asked by Xaxus on September 12, 2014
  71. Algebra

    A roadside vegtable stand sells pumpkins for $5 each and squashes for $3 each. One day they sold $6 more squash than pumpkins, and their sales totaled $98. Write and solve a system of equations to find how many pumpkins and squash they sold?

    asked by Anna on December 10, 2013
  72. algebra

    if f(x)=lnx, g(x)=e^3x, and h(x)=x^4 find following A)(f of g)(x)and the domain of f of g B) (g of f)(x) and the domain of g of f C) (f of h)(x) and the domain of f of h please show work

    asked by ALLI on September 5, 2012
  73. Math- urgent

    The second of two numbers is five more than the twice first. The sum of the numbers is 44. Find the numbers. Show all work.

    asked by Sarah on April 1, 2014
  74. Pre-Calc (Prove the identity)

    Prove the identity. (show your work please) tan(x − π/4)= (tan x − 1)/(tan x + 1) Thank you!

    asked by Kate on November 19, 2013
  75. Pre-Calc Help!!!

    Prove the identity. (show your work please) tan(x − π/4)= (tan x − 1)/(tan x + 1) Thank you!

    asked by Anonymous on November 22, 2013
  76. math

    Write and solve the differential equation that models the verbal statement. The rate of change of N is proportional to N. (Use k for the proportionality constant.) dN dt = N(t) = I mainly need help with the bottom part below this sentence. Evaluate the

    asked by Anonymous on March 6, 2019
  77. Chemistry. Help please

    Calculate the pH of a buffer solution made by mixing 174 mL of a 1.68M trimethylamine (CH3)3N solution with 250 mL of a 1.08M trimethylammonia chloride, (CH3)3NHCl solution.

    asked by Stephanie on December 9, 2010
  78. Chemistry - Science (Dr. Bob222)

    Ammonia is a weak base with a Kb of 1.8 x 10-5. A 100.0 mL sample of 0.13 M aqueous solution of ammonia (NH3) is mixed with 87 mL of 0.15 M solution of the strong acid HCl, calculate the pH of the final solution. A) 2.9 B) 11.1 C) 8.8 D) 5.2 E) None of the

    asked by Ana on May 6, 2014
  79. Chemistry

    If 32.0 mL lead(II) nitrate solution reacts completely with excess sodium iodide solution to yield 0.545 g precipitate, what is the molarity of lead(II) ion in the original solution?

    asked by Hel P. on September 15, 2011
  80. Chemistry

    I need help starting this question: A buffer solution is prepared by adding 30.0g of pure acetic acid to 41.0g of sodium acetate in water, and then diluting the solution to 1.00L. What is the pH of the buffer solution?

    asked by a Canadian on April 4, 2013
  81. chemistry

    10. An aqueous solution is prepared by diluting 3.30 mL acetone, CH3COCH3, (d=0.789 g/mL) with water to a final volumeof 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity and molality of acetone in this solution?

    asked by Anonymous on April 3, 2012
  82. Chemistry

    Use Ksp to find the concentration of an ion in a saturated solution. Consider a 2.50E-3 M solution of Al2(SO4)3. (a) What [OH^-] is required to initiate precipitation of Al^3+ from the solution? (b) What [OH^-] is required to lower the [Al^3+] to 2.00E-7 M

    asked by Jo on July 28, 2012
  83. Chemistry

    I need help starting this question... A buffer solution is prepared by adding 30.0g of pure acetic acid to 41.0g of sodium acetate in water, and then diluting the solution to 1.00L. What is the pH of the buffer solution?

    asked by a Canadian on April 11, 2013
  84. chemistry

    if the endpoint in the tritration of the KHC8H4O4 solution with the NaOH solution is mistakenly surpressed(too pink),will the molar concentration of the NaOH solution be reported too high or too low?explain

    asked by jiska on May 8, 2013
  85. chemistry

    A KNO3 solution is made using 88.4g of KNO3 and diluting to a total soultion volume of 1.50l. Calculate the molarity and mass percent of the solution. Assume a density of 1.05 g/mL for the solution.

    asked by Monique on November 6, 2011
  86. ACS

    Whatis the molarity of an HCl solution if 25mL of this solution require 19.58mL of 0.1062M Sr(OH)2 solution for complete reaction? The reaction is give below Sr(OH)2 + 2HCl --> SrCl2 + 2H2O

    asked by Debro on November 21, 2007
  87. Math

    Okay, I'm in a calculus class but stuck on some algebra...it's not crucial that I get the answer to this but I'm wracking my brain because I can't remember how the following is obtained; if you can show me how this is done in steps I'd greatly appreciate

    asked by Bob on September 8, 2013
  88. trig

    Solve for theta, giving a general formula for all of the solution: tan(theta)=-1 sin(theta/2)=1/2

    asked by Help on March 22, 2012
  89. precalculus

    solve the logarithmic equation . express solution in exact form log5(x-9)+log5(x+4)=1+log5(x-5)

    asked by mz deedee on November 11, 2011
  90. Physics

    A baseball thrown at an angle of 55.0 degrees above the horizontal strikes a building 16.0 m away at a point 8.00 m above the point from which it is thrown. Ignore air resistance. Find the magnitude of the initial velocity of the baseball (the velocity

    asked by Julie on September 19, 2006
  91. calculus

    a 50 m long chain hangs vertically from a cylinder attached to a winch. assume there is no friction in the system and that the chain has a density of 5 kg/m. how much work is required to wind the entire chain onto the cylinder using the winch

    asked by anto on March 16, 2015
  92. chemistry

    Please help me with this question For the system, (the previous post i forgot to post the Kp) PCl5 (g) --> PCl3 (g) + Cl2 (g) In a 5.0 L flask, the gaseous mixture consists of all three gasses with partial pressures as follows: PCl5 = 0.012 atm PCl3 = 0.90

    asked by Jack on March 9, 2008
  93. Biochem

    A buffer solution is prepared by mixing 200 mL of 0.2 M salt solution and 400 mL of a 0.2 M acid solution. What is the concentration of the resulting buffer? ~what is the pKa?

    asked by Dr. Nick on November 19, 2012
  94. chemestry

    calculate the pH of the 120mL of a 0.12 M HCOONa,Ka=1.8*10^-5,solution are added to 50mL of a 0.05 M H2SO4 solution.Determine the pH of the sodium formate solution before and after the H2SO4 addition. please someone help me!

    asked by Anonymous on June 25, 2016
  95. chemistry

    you dissolve 6.55g of potassium nitrate in enough water to make a 250ml solution. if you add 1.25 l of additional water to this solution.what is the molarity of this new solution.

    asked by cateye on April 22, 2012
  96. Calculus

    Find a general solution to each first ¨C degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible. dx/dt=¡Ì(x+t+1)

    asked by Elyse on July 6, 2013
  97. chem

    how do you prepare a solution using the proper lab equipment(both from dry solid and a stock solution) i researched it but all i found was the definition for stock solution any help please!!

    asked by lyne on February 12, 2009
  98. Chemistry

    If 258 mL of 2 molar HCl solution is added to 342 mL of 4.3 molar Ba(OH)2 solution, what will be the molarity of BaCl2 in the resulting solution? Answer in units of M.

    asked by Avery on March 1, 2016
  99. AP Chemistry

    If 435 mL of 2.7 molar HCl solution is added to 128 mL of 3.2 molar Ba(OH)2 solution, what will be the molarity of BaCl2 in the resulting solution? Answer in units of M

    asked by Gabriella on January 30, 2014
  100. physical science chemistry

    If 25 cm^3 of the potassium hydroxide (KOH) solution was used to neutralise 35cm^3 hydrochloric (HCl)solution, determine the concentration of the hydrochloric acid solution. Thanks

    asked by jonathan on June 17, 2015

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