# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,330 questions, page 99
1. ## physics

Sally the bug has an initial speed of 20.0cm/s. She then accelerates at 8.00cm/s^2 for 5.00s. calculate sallys total displacement? which i did and got 200 cm Displacement during the 5th second? can you please help and show all work

asked by Georgy on January 6, 2015
2. ## System of equations

3x =2y = 17 2x-y =9 and 3x+y = 3 x+2y = -4 How do I do these?? 22Z 6Y These are simultaneous equations. You have a typo in #1. For the second set, just multiply equation 1 by 2, then subtract equation 2 from equation 1 (which will eliminate y), then solve

asked by Gracie on August 21, 2006
3. ## temperature change

What is the temperature change when 9.8 g of KNO3( with 34.9 kJ/mol enthaply of solution) is dissolved in 150 g of water? Assume that the specific heat capacity is 4.18 J/K*g. Answer in celcius. So far I have the Q= ^T*m*s but i don't know what numbers go

asked by ty on May 29, 2007
4. ## economics

Does Marx's essay help illuminate any of your own work experiences? Can you relate to his discussion? Why or why not? what if i don't have any work expericence could i just said that or is it talking about another work

asked by 2phoneeeeee on November 7, 2014
5. ## College Chemistry

In this lab: we demonstrated the method of evaporation of a saturated sodium chloride solution. The following question ask: 1) why is sodium chloride chosen for the solute? 2)Suggest reasons why the following were not chosen for the solute? a)Calcium

asked by Tim on September 4, 2010
6. ## Chemistry

Okay, so how would i work out: How would you prepare 1.00 L of a .5M Solution of NiCl2 from the salt NiCl2 x 6H2O, Because what im doing is not working. :/

asked by Kenz on February 5, 2012
7. ## Chemistry

Okay, so how would i work out: How would you prepare 1.00 L of a .5M Solution of NiCl2 from the salt NiCl2 x 6H2O, Because what im doing is not working. :/

asked by Kenz on February 5, 2012
8. ## Algebra

How do I solve this? ((1/t) - 1)/ (t -1) NO CLUE :) :) :) :) :) :) :) :) :) :)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1 How do I solve this? ((1/t) - 1)/ (t -1) 1/t - 1 = 1/t - t/t = (1/t)(1 - t) = (-1/t)(t - 1) The two t - 1 terms cancel each

asked by Lisa on February 15, 2007
9. ## algebra

im trying to solve a literal equation, then solve the specific question first part is stumping me, im to solve for X ax=bx-c this is what I got ax-bx=c, but don't know how to get x by itself

asked by aaron on September 3, 2013
10. ## Algebra 2

How do I solve these inequalities: e^3x>e^x-1 -6log (subscript of 4) x > -24 & how do I solve these: 8^x+1=3 e^x+2=50 8logx=16 I really don't understand how to solve these so can someone please explain them to me?

asked by Linda on April 17, 2014
11. ## Algerbra

solve for x ac+x=xy have all terms with x on one side ac=xy-x take x as common factor ac=x(y-1) now solve for x 25a^2 - 9b^4 can u please help me solve and check these equations

asked by Mark on September 26, 2006
12. ## gr.10 math

could you please show me the steps to solve this equation?I looked at the answer in the back of our textbook but i keep getting the wrong answer. 5(2y+1)-(5y-2) answer=5y+7. thanks so much!

asked by anon on February 11, 2011
13. ## algebra 1

Can someone please help me with this inequality problem -3-8>(4x+8)-8 I have no idea how to solve this problem but I would like to learn. Can you be kind to show me the steps so that I can use this as an example problem for other problems. Thanks!

asked by thawk on November 17, 2010
14. ## Algebra

Help please (x^3 + 3x^2 - 2x+7)/(x+1)=11 I don't how how to solve this at all-the answer should be 11 but I don't have a clue how to get it-please show me this one so I can hopefully do my homeowrk-we did this in class today but I don't understand it

asked by Jeremy on March 7, 2012
15. ## algebra

1. solve 2x + y = 7 for y 2. solve 2y - 18x = 26 for y 3. solve 20x + 5y =15 for y 4. solve 9x - y = 45 for y 5. solve 6x - 3y = -6 for y 6. solve 4x - 5 = 7 + 4y for y

asked by boB on September 12, 2017
16. ## Chemistry/Dimensional Analysis

The EPa detection limit for phosphate in water samples is 0.0450 milligrams per liter. Can phosphate be detected if 55.0 nanograms are found in 500.0 mL of solution? Show your calculations and explain.

asked by Tyler on February 8, 2009
17. ## chemistry

Balance the following redox reactions assuming a basic solution. Show all the steps. a. MnO2(s) -> MnO4^-2 + H2 (g) b. H2O2 (aq) + Cl2O7 (g) -> ClO2- (aq) + O2 (g) How can you balance these if for example in part a., there is no H on the left side... can I

asked by Dana on November 1, 2010
18. ## Chemistry/Dimensional Analysis

The EPa detection limit for phosphate in water samples is 0.0450 milligrams per liter. Can phosphate be detected if 55.0 nanograms are found in 500.0 mL of solution? Show your calculations and explain.

asked by Tyler on February 8, 2009
19. ## Chemistry help

I am confused as to how to solve the below problem. I am not sure which formula to use. At first I thought I calculate the molar mass of NaOH, followed by calculating moles of NaOH. But I don't have the mass of NaOH to calculate moles. Do I convert 10mL to

asked by Julie on March 15, 2012
20. ## Algebra 2

How do I answer this f(x) = x - 3 (x + 4)^(1/2) and am asked how to solve for x when y = -5 I have no idea how to do this and know that I could just solve it by guess and checking but I want to know how to do this algebraically when plugging in the -5 and

asked by Dylan on May 26, 2009
21. ## Calculus

How do you us implicit differentiation to solve x( y + 2 )^5 = 8 x( y + 2 )^5 = 8 ( y + 2 )^5 d/dx (x) + x d/dx(y+2)^5=d/dx 8 (y+2)^5 + 5x(y+2)^4 dy/dx=0 solve for dx/dy (Broken Link Removed) I assume you want dy/dx. Differentiate both sides of the

asked by Patti on April 10, 2007
22. ## scienceheat from burning fuel warms the walls of t

Heat from burning fuel warms the walls of the firebox section of the furnace in A.a hot heating system B.an evaporation system c. a compressor compartment

asked by Anonymous on January 30, 2014
23. ## thermodinamics

2. A sample of an ideal gas underwent an expansion against a constant external pressure of 1.0 bar from 1.0 m3, 20.0 bar, and 273 K to 100.0 m3, 1.0 bar, and 273 K. What is the work done by the system on the surroundings

asked by dhaval on February 28, 2014
24. ## Geology

Does this sound right? Describe your assigned method and how it is used to evaluate geologic time. My assigned method was Absolute Dating / Numerical Age. Absolute Dating / Numerical Age is the process that assigns a numerical age ( this tells how old a

asked by A.W. on March 31, 2009
25. ## chemistry

During which stroke of a four-stroke internal combustion engine is work done to the system of gases? A. Exhaust stroke B. Intake stroke C. Compression stroke D. Power stroke

asked by Cortney on March 23, 2015
26. ## English

Question: Do you have the star Show (TV) program in the USA? What kinds of people show up in the star Show?

asked by rfvv on June 21, 2014
27. ## English

1. This is all that I have now. 2. This is what I have now. (Are both the same in meaning?) 3. Please show me that he is active. 4. Please show me the fact that he is active. 5. Please show me that this is correct. (Are the three sentences grammatical?

asked by rfvv on September 2, 2016

Please help me with the following question: A student attempts to solve for c in the equation below. Which statement best applies to the work shown below? 3c + 6 - 4c - 12c = 7 -13c + 6 = 7 -13c + 6 + (-6) = 7 + (-6) -13c = 1 c = -1/13 A. The student

29. ## chemistry

Thimerosal is an organic compound (gram molecular mass = 404.8 g/mol) used to inhibit bacterial growth. A .100%solution of thimerosal is sometimes used as an antiseptic. Assume that this solution has a density of 1.00 g/mL. A. how many grams of thimerosal

asked by Tyler on April 7, 2013
30. ## statistics for health research

the income of a group of 10,000 health system employees was found to be normally distributed with a mean=750 pm and standard deviation=50. show that of this group about 95% had income exceeding 668 and only 5% had income exceeding 832

asked by maureen on June 16, 2014
31. ## Math

Consider the equation x^2 + 20 = 12x A) draw geometric diagram representing this equation. B) Show how to complete the square geometrically. C) Solve the equation.

asked by John on April 10, 2008
32. ## Physics

You’re having your home’s heating system replaced, and the heating contractor has specified a new system that supplies energy at the maximum rate of 40 kW. You know that your house loses energy at the rate of 1.3 kW per temperature difference between

asked by Physics on September 10, 2017
33. ## Algebra

1. The length of a rectangle is twice its width. The perimeter of the rectangle is 24 inches. Write a system of equations in 2 variables. Use substitution to solve the problem. A. Equation 1: Equation 2: _________________________________ B. What is the

asked by Anonymous on June 4, 2017
34. ## Math

The U.S. Department of Defense makes use of statistics in designing weapon systems for tanks and other forms of armor. By measuring the results of the firing of a weapons system under simulated combat conditions, ballistics researchers can estimate the

asked by Bart on May 7, 2010
35. ## Geometry

The sides AB and AC of triangle ABC have lengths of 4 inches and 7 inches, respectively. The median AM is 3.5 inches. What is the EXACT length of BC. Show your work.

asked by qwerty123 on March 21, 2011
36. ## Math Word Problems

Roger bought a sandwich with half of his money and a candy bar with one fifth of his money. How much of his money did he spend ? Please show all the work.

asked by Kalelha on March 10, 2015
37. ## chemistry

How do I know if this is spontaneous at 25 celsius and show work? PbCl2 --->(equilibrium)--->Pb2+ + 2Cl- a) when Pb2+=1M and Cl-=2M b) when Pb2+=1X10^-5 and Cl-=2X10^-5

asked by homework on April 22, 2018
38. ## kahyla

use the properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms. show your work Ln 8x 2. log2y^5

asked by pre calc on June 12, 2011
39. ## chemistry

A sample of 0.50 moles of gas is placed in a container of volume of 2.5 L. What is the pressure of the gas in torr if the gas is at 25 degrees C ? Show work ?

asked by Cat on February 17, 2011

Name the compatible numbers used to find the estimate. 1. 725/19 estimate:35 2. 3,641/34 estimate:120 Please show me how to work out these problems.

asked by elizabeth on April 9, 2014
41. ## geometry

Given m

asked by robin on April 6, 2015
42. ## Physics

In the hydraulic system shown in the figure, the piston on the left has a diameter of 4.5cm and a mass is 3.0kg. If the density of the fluid is 710kg/m^3 , what is the height difference h between the two pistons in m? I checked the other similar questions

asked by Lhaedy on December 11, 2013
43. ## Algebra

2x + 3y = 6 What is the question? You cannot solve for both x and y without a second independent equation, but you can express one variable in terms of the other. For example, 2x = 6 - 3y, so x = -3y/2 + 3 solve each literal equation for the indicated

asked by Tammy Evert on July 7, 2006
44. ## environmental science

This was the question I had- How is nutrient buil-up in the aquatic system affect the pH? What other factors in the aquatic system affect the pH? Since this is not my area of expertise, I searched Google under the key words "aquatic system pH" to get these

asked by dorie on January 6, 2007
45. ## Algebra

Two more I would like to check my work on: Solve using the square root property: (x+6)^2 = 4 x+6 = sqrt4 x+6 = -sqrt4 x+6 = 2 x+6 = -2 x+6-6 = 2-6 x+6-6 = -2-6 x = 4 x = -8 Solve by completing the square: x^2+6x+1=0 x^2+6x+1-1 = 0-1 x^2+6x = -1 x^2+6x+9 =

asked by John on November 13, 2007
46. ## Calculus

My teacher wants me to use this formula for half life question C(t) = Ce^-kt but i used a different formula plz help. the question is: A radioactive isotope has a half life of 30 years. If we started off with 10 mg of this isotope 12 years ago: a) Find and

asked by max on July 26, 2015
47. ## English

I still have a few sentences to check. I really hope you can help me check them. I added a few more sentences. 1)I think the best thing to do is working at a passion because in this way you'll work better than anyone else. 2)You feel the need to go to

asked by Matthew on April 12, 2012
48. ## math

The total amount of interest on a loan of \$6,000 for 150 days is 210.50.Using the ordinary interest method,what is the rate of interest on this loan?Round answer to the nearest hundredth. I know the ordinary interest method is 360 days. My anwser is 8.42%

asked by Bonnie on January 10, 2011
49. ## aLGEBRA

Tracy wants to purchase custom-made bumper stickers to advertise her business. Two websites offer different deals: Website A: Pay a fee of \$116.00, plus \$0.50 per bumper sticker or Website B: Pay a fee of \$99.50, plus \$0.65 per bumper sticker At least how

asked by math help on December 5, 2010
50. ## Algebra 1

If Jeremiah takes 1/8 of the birthday cake, and Chabreal takes 16%, who takes more? Show you're work and conversions. -Algebra 1.

asked by Dani. on August 29, 2012
51. ## math

The LCM of these three numbers is 60. The GCF is 1. If you add the numbers, the sum is 15. Select the three numbers from the following options: 2, 6, 5, 8, 4 Show your work!

asked by Jordan on October 17, 2012
52. ## MATH

A ladder is 25 ft long. The ladder needs to reach to a window that is 24 ft above the ground. How far away from the building should the bottom of the ladder be placed? Please show work.

asked by Annie on March 11, 2013
53. ## Need help in math

Janet took a test that contained 328 questions. She answered 75% of the questions. How many questions did she answer. please show your work thanks

asked by Anonymous on November 9, 2007
54. ## math

the white team lost 2/5 of all its games and won 39 games. how many games did they play? show and explain your work.

asked by dev on January 19, 2012
55. ## math

adding polynomials (3g squared+2hg)+5g squared+hg-9h squared g) I know you have to combine like terms but I'm lost after that need to show all work thanks

asked by shawnee on December 12, 2012
56. ## Math

can please check my answer: Q. 500 individuals tested a new biometric security system that will be used to verify that people attempting to enter a site are authorised to do so. 200 of the testers were authorised users and 300 were not. At one particular

asked by Subash on June 14, 2011

You're an individual investor who holds common stock in a large blue chip company. You've received notice of a proposed change. Instead of using the existing statutory method, the proposal calls for the company's board of directors to be elected by the

asked by Anonymous on November 14, 2010

You're an individual investor who holds common stock in a large blue chip company. You've received notice of a proposed change. Instead of using the existing statutory method, the proposal calls for the company's board of directors to be elected by the

asked by Cory on August 8, 2011
59. ## Inter. Algebra

square root sign 2x+3 - square root sign x-2 =2 In my head, I worked it as x=3. I did that because only sqr roots that are rational integers can be subtracted to give a whole number. Now, analytic method. I have no idea, I don't see a simple method in

asked by Andrea on December 2, 2006
60. ## Music

I was wondering about transposing. Suppose I had to transpose something that's written for piano (F major with one flat) to let's say Bb clarinet (G major with one sharp). My question is what method can I use to determine how many flats or sharps the

asked by Icy on June 20, 2007
61. ## english

Can someone please clearly explain what an in-text MLA citation is? n MLA style, referring to the works of others in your text is done by using what's known as parenthetical citation. Immediately following a quotation from a source or a paraphrase of a

asked by anonymous on January 5, 2007
62. ## Chemistry

(I need help with these two questions. I don’t know how to solve it.) 1. A student takes 215mL of a 5.0M HCI solution and places it into a beaker. The students then adds enough water to the beaker to make 750mL. Calculator molarity of this new solution.

asked by Samantha on April 10, 2018
63. ## math

A trapezoid with an area of 48m2 has a height of 6m. One of its bases is 12m. Write and solve an equation to find the length of its other base. Also explain the work so I can understand when I do the test. Thanks

64. ## Math 222

Posted by Monica on Thursday, October 23, 2014 at 6:36pm. Please help me solve these two Rational Expressions? Sorry my addition sign does not work on my keyboard, so that is why I am using the word "plus". 1). g^2-6g-55 __________ g 2). k^3 plus k

asked by Monica on October 23, 2014
65. ## author

Which of the following, if true, provides the strongest support for an archaeologist’s conclusion that a particular stretch of ancient stone-paved road was part of the Inca road system? A) When the Inca conquered the area, they took some of the existing

asked by Anonymous on December 3, 2009
66. ## math

A and B can do a piece of work in 12 days. They started to work together but A left after a few days. If B alone worked for 20 days, the whole work was finished in 24 days. How long would A take to complete the work??? question is really confusing :/

asked by clive on October 21, 2015
67. ## Chemestry

How many grams of NaCl would you need to make 500 ml of a 100 mM solution? the atomic weight of NaCl is 35. I was not given a way to solve this by my teacher.

asked by Toddria A. Estes on March 15, 2016
68. ## Analytical Chemistry

Calculate the ppm of the sodium ions when 2.91 g of sodium triphosphate are added to 2.33 L of solution. I earnestly have no idea how to solve this...

asked by Ryan on December 9, 2014
69. ## Math- MDM4U data Managment

How do you solve this question. I literally have no idea on where to start. "If the mean of the following numbers is /7, find the c value. Produce an algebraic solution. Numbers: 12, 18, 21, c, 13 Please help.

asked by Sandy on March 2, 2015
70. ## Math

Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 7^4x = 4.9

asked by Anonymous on July 9, 2012
71. ## trig

solve equation for exact solution if possible leave answer in degree sinx/2=square root of 2- sinx/2

asked by mike on May 30, 2012
72. ## math

Solve, using linear combination. 5x + y = 2 4x + y = 4 Write your answer as an ordered pair or write "no solution" or "infinitely many solutions".

asked by john on January 21, 2015
73. ## math

Solve the equation. (Enter solutions from smallest to largest. If there is no solution, enter NONE in the answer boxes.) 5x2 = 9x + 2

asked by Anonymous on January 22, 2012
74. ## English Ms Sue

How does social norms change war as a social disease versus non-conformity? What would be a possible solution to solve this problem?

asked by Michele on February 17, 2009

I have two questions That I need help with please!! 1. solve the following exponential equation. what is the exact solution? what is the decimal approximation when rounded three decimal places? 2.

asked by Sandi on January 9, 2013
76. ## ALGEBRA

I also have an answer for this one. Just need to be sure. Says to solve then graph. x +9>2; x + 9 - 9> 2 - 9 x > - 7. I believe this means anything to the right of -7 could be a solution. I would graph this with an open circle at -7 and shade to the right

asked by Jessica 2 on November 4, 2010
77. ## Math

David wanted to solve 3(x-7)=5. As a first step, he wrote 3x-21=15. What error did he make? Correct his error and then find the solution?

asked by Patchie on November 29, 2012
78. ## algebra

1. the function f(x)=6x/3x-5 is one to one. find its inverse and check your answer. And on the second one can you tell me if I am correct. 2. solve the following exponential solution 7^2x+7^x+1-60=0 7^2 x+7^x-59=0 (49x)+7^x-59=0 49x/49=0/49 x=0/49 x=0

79. ## Math

What percent of the selling price in the 14.7 cents per L tax collected by the federal government? a) 65.7 cents/L b) 73.9 cents/L The answers are a)15% and b) 14%, but how do i show my work?

asked by Ally on September 28, 2009
80. ## physics

a car is driving at 35 m/s when the driver hits the breaks causing the car to accelerate at -5 m/s How long will the car take to stop show your work

asked by lisa on May 3, 2012
81. ## math!!

I have no idea how to do this!!! Let ΔABC be a triangle such that b=sqrt(3), c=sqrt(10), and cos(B)=3/sqrt(10). Find all possible values for side length a. Please show work

82. ## Geometry

To the nearest meter, find the length of side DE in triangle DEF, given angle F=54 degrees, side DF=70 m, and side EF=50 m. Please show work!

asked by Zarina on April 29, 2016
83. ## AIG MATH

The weight of Meg's dog is 2 1/2 times more than that of her cat. If both animals weight 42 lbs, find the weight of each animal?Please show your work.

asked by May on December 13, 2012
84. ## Trig

4tan^2u-1=tan^2u 3tan^2u=1 tan^2u=1/3 sq. root of (tan^2u)=sq. root of (1/3) tanu=sq. root of (3)/3 tanu=sq. root of 1 Did I do this one right? If not, could you please show me the correct method?? Thanks!

asked by Tara on January 9, 2010
85. ## Chemistry

A 8.6 X10^-3M Solution of H3PO4 has a Ph=2.30. what is Ka for H3PO4? Have no clue how to solve this problem

asked by Anonymous on March 9, 2010
86. ## Algebra

Graph the inequality and graph its solution -2x>8 or 3x+1_> 7 Im clueless on how to solve this equation

asked by Keishia on June 15, 2008
87. ## Calculus

solve the differential equation dy / dx = 11x^2y^2 with the condition that y(0) = 4 The solution to the equation is y =

asked by Anonymous on November 26, 2014
88. ## chemistry

The pH of a 0.55-M aqueous solution of hypobromous acid, HBrO, at 25°C is 4.48. What is the value of Ka for HBrO? how do you solve for Ka?

asked by jessica on November 23, 2010

Solve 2x+9 greater or equal to 5 and 2x-13greater or equal to 9 what is the solution? I have x=-2 and x=2 how do I write this {x x> what?

asked by Allison on September 22, 2011
90. ## ALGEBRA

Solve the equations by finding the exact solution. (a) (1)/(3) x - 1 = 1 x = (b) (1)/(3) log\(x\) - log\(10\) = 1

asked by Randy on April 25, 2012
91. ## Algebra

2. Solve the equation: 3 ( x -7 ) - x = 2x - 21 A) 7 B) -2 C) Infinitely many solutions D) No solution 3. Which equation is an identity? A) 8-(5x+2)=-5x-6 B) 7z+10-z=8z-2(z-5) C) 8m-4=5m+8-m D) 6y+5=6y-5 I think C B

asked by Sp on September 19, 2017
92. ## math

Solve the equation, if possible 2(x+3)=2(x+8) a)all real numbers b) no solution i got 10 as the answer, but is the answer a or b?

asked by Bryan on November 11, 2008
93. ## Algebra 1 (Reiny or Kuai)

Solve each equation. 1. p(1 + 4) - 2(p + 6) = 6 A: p = -2? Without graphing, tell whether each point is on the graph of 2x - y = 5. 1. (1, -2) A: Since (1, -2) is not a solution of 2x - y = 5, (1, -2) is not on the graph?

asked by Anonymous on November 13, 2013
94. ## Algebra 1 or 2

5x/4 + 1/2 = x - 1/2 solve the equation and check your solution I solved the equation and got x = 2 . But I think I got it wrong ): can someone please help?

asked by Cindy on August 31, 2012
95. ## Chemistry

When 50.0ml of 1.00M HCl is titrated with 1.00M NaOH, the pH increases. calculate the difference in pH of the system when you add 49.99ml NaOH and 50.01ml of NaOH. Please work out detailed steps.

asked by Grace on March 29, 2013
96. ## Precalculs

I have no idea how to do these type of problems. -------Problem-------- Solve each equation on the interval 0 less than or equal to theta less than 2 pi 42. SQRT(3) sin theta + cos theta = 1 ---------------------- There is an example prior to the

asked by Kate on February 28, 2010
97. ## Equilibrium

An aqueous solution of carbonic acid reacts to reach equilibrium as described below. H2CO3(aq) + H2O(l) HCO3^-(aq) + H3O^+(aq) The solution contains the following solute concentrations: Carbonic Acid: 3.3*10^-2 mol/L HCO3^-: 1.19*10^-4 mol/L H3O^+:

asked by Tyler on August 3, 2015
98. ## correction of math

can someone correct this for me please. Directions: Solve the system by substitution. x + y = 12 y = 2x this is what i did: in the first equation i substituted y for what i have in the second equation so now it looks like this: x +2x = 12 3x = 12 x = 4 now

asked by jasmine20 on February 8, 2007
99. ## Chemistry

The following system is at equilibrium,at 699K in a 5L container. H2(g)+I2(g)--->2HI(g) Kc = 54.9 Initially,the system had 2.50 moles of HI.What is the moles of H2 at equilibrium? Can Dr.Bob check if my steps are correct? My solution: Initially,the

asked by Swaastikaa on March 25, 2012
100. ## chemistry

Suppose that 9.6 mL of 1.5 M KOH(aq) is transferred to a 250 mL volumetric flask and diluted to the mark. It was found that 31.5 mL of this diluted solution solution was needed to reach the stoichiometric point in a titration of 9.6 mL of a phosphoric acid

asked by jess on May 29, 2016