Saturday

October 25, 2014

October 25, 2014

Number of results: 17,555

**algebra**

What's the solution to 5n+1=5n-1. Please tell me if it's no solution or all real numbers or something else.
*September 29, 2009 by Cristine*

**chemistry**

8.00 of are dissolved in water to make 4.00 of solution. What is the concentration of hydronium ions, , in this solution?
*November 2, 2009 by katy*

**chemistry**

8.00 g of are dissolved in water to make 3.00 l of solution. What is the concentration of hydronium ions, , in this solution?
*November 15, 2009 by leo*

**chemistry**

What volume of a 2.90 M KI stock solution would you use to make 0.425 L of a 1.25 M KI solution?
*January 14, 2010 by a*

**Algebra**

Solve by the elimination method 2r-5s=1 5r+2s=46 The solution is _______, or there are infinitely many solutions, or there is no solution
*March 21, 2010 by Liz*

**math**

6x-4y=20 and 4y-6x=-20 What is the solution of the system of equations for this problem? A)A point B)No solution C)Infinitely many solutions
*March 27, 2010 by KiKi*

**chemistry**

a 1.00 L aqueous solution contained 5.80 g of NaOH. what is the pH of the solution? Can someone help me out with the setup of this?
*April 28, 2010 by Anna*

**chemistry**

How much water must be added if you want to make 1L of solution that is 6M, into a 3M solution
*April 29, 2010 by sarah*

**Chemistry**

Why is a NaOH solution disposed differently than a solution composed of Water and Nacl2
*May 6, 2010 by Marge*

**chemistry**

why does the pH of an aqueous solution change after HCl solution has been added
*June 15, 2010 by meredith*

**math**

Solve the following system of equations x + 4y=6 x= 4-4y A. The solution is an ordered pair ( , ) B. No Solution
*July 9, 2010 by christy*

**chemistry**

1 ml of diluted solution is added to 9 ml of deionized water. predist the ph of resulting solution
*July 30, 2010 by Anonymous*

**Chemistry**

An aqueous solution contains 2.6 %NaCl by mass. Calculate the molality of the solution.
*August 5, 2010 by ashley*

**Chemistry**

A solution having a volume of 3.0L contains 23 mmol of Oxygen 2. What is the molarity of this solution?
*October 3, 2010 by Elly*

**algebra**

solve the systems of equations {4/7x+y=2/7 -1/8x-3/4y=-11/4 a. the solution of the system is b. there are infinitely many solutions c. there is no solution
*October 17, 2010 by Anonymous*

**chemistry**

What volume of a 3.70 M KI stock solution would you use to make 0.400 L of a 1.25 M KI solution?
*November 4, 2010 by MaryBeth*

**chemistry**

What volume of a 3.70 M KI stock solution would you use to make 0.400 L of a 1.25 M KI solution?
*November 4, 2010 by MaryBeth*

**Pharm Tech**

how many milliliters of a 5% stock solution are needed to prepare 250ml of a 2% solution?
*November 4, 2010 by Kelsey*

**chemistry**

A 47.7-g sample of SrCl2 is dissolved in 112.5 mL of solution. Calculate the molarity of this solution.
*November 20, 2010 by Jessica*

**Chemistry**

How much of a 6.0 M sucrose solution should be used to make 81.0 mL of a 0.055 M solution?
*November 30, 2010 by Kelsey G*

**chem. 7**

a 20% solution of H2SO4 has a density of 1.14 g/mL. calculate the molarity, normality and molality of the solution.
*December 3, 2010 by Anonymous*

**Chemistry**

describe how you would make a 2.5L of a .100M KCL solution from a 5.5M stock solution
*December 5, 2010 by lily*

**Chemistry**

What is the molarity of the resulting solution when 300. mL of a 0.400 M solution is diluted to 800. mL?
*December 6, 2010 by Ivy*

**chemistry**

What volume of a 3.00 M KI stock solution would you use to make 0.270 L of a 1.25 M KI solution?
*January 23, 2011 by Nikki*

**chemistry**

calculate the molarity of the solution- 0.56 mole of BaCl2 in 100.0mL of solution.
*February 8, 2011 by brandy*

**chemistry**

An aqueos solution is 65%(v/v) rubbing alcohol.How many millimeters of water are in a 95-mL sample of this solution?
*February 13, 2011 by Hector*

**chemistry**

An aqueos solution is 65%(v/v) rubbing alcohol.How many millimeters of water are in a 95-mL sample of this solution?
*February 13, 2011 by Hector*

**chemistry**

find the pH of 10 mL of 1.00M solution after adding 10.00mL of indicator solution
*February 14, 2011 by Anonymous*

**chemistry**

What is the pH of a solution prepared by dissolving 7.5g HCl in water to make 375mL of solution?
*February 27, 2011 by Brittany*

**chemistry**

a certain solution contains 0.35 mol of HCl in 1200 mL of water. What is the pH of the solution?
*March 7, 2011 by leah*

**chemistry**

what is the molarity of solution made from the equivalent of 125 g of sodium nitrate in 1.0 l of solution
*March 15, 2011 by andrew b*

**chemistry**

To what volume should you dilute 20 mL of a 13 M stock solution to obtain a 0.560 M solution?
*April 22, 2011 by Kristen*

**chemistry**

how many ml of a 2M solution of HCl would be needed to neutrilize 2ml of a 5M solution of KOH?
*April 26, 2011 by jackie3*

**Math. **

1. 1/2(y-2)+2=3/8(3y-4) 2. Is 4 a solution? 3. Describe the process for finding out whether 4 is a solution to this equation.
*May 6, 2011 by Unknown. *

**Chemistry 2**

An aqueous solution of CuSO4 has a density of 1.3g/ml and is 1.16 molal. Calculate the Molarity of this solution.
*July 15, 2011 by Kelci*

**chem**

density of 20% by mass C2H6O2 solution in water is 1.03 g/mL. find the molarity of the solution.
*July 21, 2011 by lily*

**chemistry**

What is the pH of a solution in which 296 mL of HCl measured at 28.0 C and 1.02 atm, is dissolved in 1.5 L of aqueous solution?
*August 8, 2011 by Angel*

**chemistry**

Q: A 1.5L solution is prepared using 75g of calcium chloride. What is the molarity of this solution?
*December 5, 2011 by Anonymous*

**Chemistry**

A solution contains 1.53x10-3 M Ca(NO3)2, How many nitrate ions are there in 1.2x10-6 L (1.2 µL) of this solution?
*January 23, 2012 by Cahleb*

**Chemistry**

Calculate pH for strong base solution: 1.100 g of KOH in 550.0 mL of solution
*February 27, 2012 by Matt D*

**chemistry**

what volume should the solution diluted to create a 2.0M solution with a 5g of potassium hydroxide?
*April 24, 2012 by Shaunice*

**Chemistry**

What is the concentration of a solution of lithium carbonate containing 0.01 mol in 750 mL of solution
*June 13, 2012 by Nia Sharma*

**Science**

What is the pH of 115 mL of a 1.50 m solution of HNO2 that is titrated with a 1.50 M solution of LiOH at the equivelence point?
*June 20, 2012 by Jake*

**chemistry**

the dencity of 3 molal solution of NaOH is 1.110g/mL calculate the molarity of the solution
*June 30, 2012 by anant*

**pre-calculus**

solve the following inequality 16(x^2-1) >16x the solution set is? or there is no solution.
*September 22, 2012 by ladybug*

**math **

is it true that you only have to check your solution in a rational equation if the solution is 0?
*September 27, 2012 by Matt*

**Chem help please**

A solution is found to contain 1 x 10-4 OH− ions, determine the pH of this solution.
*November 16, 2012 by Trevor*

**chemistry**

Calculate the molarity of a solution containing 58.5mg of NaCl in 2.50mL of solution.
*November 30, 2012 by Emmanuel*

**algebra**

Does the system of equations have no solution, one solution, or infinitely many solutions? y = x + 4 y – 4 = x
*December 21, 2012 by Laura*

**algebra**

Does the system of equations have no solution, one solution, or infinitely many solutions? y = 2x – 3 y = –x + 3
*December 21, 2012 by Laura*

**chemistry**

What is the molarity of an HCl solution if 38.5 mL of it is titrated to the equivalence point with 41.6 mL of a 1.41 M NaOH solution?
*January 13, 2013 by Megan*

**math**

tell wheter the system has one solution, infinitely many solutions, or no solution: y=3x-14 y-x=10
*January 14, 2013 by Taylor*

**math**

tell whether the system has one solution, infinitely many solutions, or no solution: y=3x-14 y-x=10
*January 14, 2013 by Taylor*

**math**

Identify the solution(s) of the system of equations, if any. -2x-4y=1 12y=-6x-3 a) no solution b) (0,-1) c) (-1,0) d) infinitely many solutions
*January 27, 2013 by monet*

**chemistry**

Calculate the molarity of a solution that contains 48g of NaCl in 250ml of solution.
*February 7, 2013 by James*

**chem**

A weak acid HA is 1.0% dissociated in a 1.0 M solution. What would its percent dissociation be in a 5.0 M solution?
*February 25, 2013 by ston*

**Chemistry**

Calculate the morality of a solution that contains a 4.0 mol of a solute dissolved in 12.0L of solution
*March 4, 2013 by Francesca*

**algebra**

I need to find the solution or no solution or infinite solutions to these two equations. x + 2y =4 9x - 4y = 3
*March 5, 2013 by DJDiamond*

**Chemistry**

.012 mol of solid NaOH is added to a 1 L solution of HCl 0.01 M. What is the pH of the solution?
*May 13, 2013 by scilover*

**Math 116**

identify the solution (s) of the system of equations, if any. -3x-4y=2 8y=-6x-4 a. infinitely many solutions b. (-16/9, 5/6) c.(-2/3,0) d. no solution
*June 21, 2013 by Queta*

**Solution Set**

The Y-coordinate of the solution of the system {x+y=3 {-3x+2y=-19 the answer is -2 how? I've done everything to try to solve!
*July 18, 2013 by Sara*

**Chemistry **

9. A solution has 48 grams of LiOH dissovled In 100 L of water. What is its [OH-]? 10. What is the pH of the solution in question 9?
*February 26, 2014 by Emma *

**AP Chemistry**

50.0 mL of an HCl solution with a pH of 3.5 neutralizes 200.0 mL of a Ca(OH)2 solution. What is the molarity of the Ca(OH)2 solu- tion?
*March 3, 2014 by Anonymous*

**chemistry**

8.22 g of CuNO3 is dissolved in water to make a 0.590M solution,what is the volume of the solution
*March 17, 2014 by Nicholas*

**Chemistry**

Calculate the volume of 2.00 M solution of KOH that is required to neutralize 30.0 mL of 1.00 M solution of HNO3.
*May 6, 2014 by Chemistry*

**Chemistry**

Calculate the volume of 2.00 M solution of KOH that is required to neutralize 30.0 mL of 1.00 M solution of HNO3.
*May 6, 2014 by Tina*

**Chemistry**

if you dissolve 25.5 g of KBr in enough water to make 1.75 L of solution, what is the molarity of the solution
*May 13, 2014 by Lori*

**Algebra**

What is the solution to the system of equations that contains –3x + y = 3 and 2x – y = –1? A. no solution B. (–1, 3) C. infinite number of solutions D. (–2, –3)
*June 16, 2014 by Emma*

**chemistry**

what is the molar concentration of a solution containing 15,0 g of pottasium chloride in 1,30 dm3 of solution
*August 18, 2014 by Anonymous*

**Chemistry**

What is the molarity of a solution that contains 0.50 mole of NaOH in 0.50 liter of solution? a-0.50 b-0.25 c-2.0 d-1.0
*March 5, 2008 by John*

**Chemistry**

What is the molarity of a solution that contains 0.50 mole of NaOH in 0.50 liter of solution? a-0.50 b-0.25 c-2.0 d-1.0
*March 5, 2008 by denny*

**algebra**

I need help with these please. What is the solution for 0.7x+5¡Ü1.1x-8? What would be the solution for, 15a+5b-12a-8b=
*June 2, 2008 by C*

**Chemistry**

How many millimeters of a 15.0%, by mass solution of KOH(aq)(d = 1.14 g/ml ) are required to produce 26.0 L of a solution with pH = 11.40?
*February 14, 2009 by Raj*

**chem**

How many milliliters of a 15.0%, by mass solution of {KOH}(aq) (d = 1.14 g/mL) are required to produce 25.0 L of a solution with pH = 11.60?
*February 16, 2009 by help!!!*

**college biology**

What solutions were hyptonis to egg? solution 15% 25% 30% 40% 50% sucrose solution
*March 21, 2009 by saleem*

**chemistry help**

What is the molarity of a solution that contains 125 g NaCl in 4.00 L solution? a.8. 56 M b.31.3 M c. 2.14 M d/ 0.535 M
*May 21, 2009 by chris*

**Algerbra1**

Does the equatin y=5x and 2x+3y=34 have one solution, no solution or infineitely many solutions?
*October 20, 2009 by Tyrone*

**chemistry**

Calculate the molality of a 2.50 molarity NaCl solution. Density of solution = 1.08 g/ml.
*March 4, 2010 by Anonymous*

**Chemistry!!!**

Is the molarity of a solution that contains 6 moles of solute in 2 liters of solution 12 M????
*May 1, 2010 by Tiffany*

**chemistry**

calculate the molarity of each of the following solution: 2.00 mol glucose in 4.00 L solution.
*June 25, 2010 by Ana*

**chemistry**

calculate the molarity of each of the following solution: 2.00 mol glucose in 4.00 L solution.
*June 25, 2010 by Ana*

**college chemistry**

How would you prepare a 250 mL solution of 0.45 M from a stock solution of 5.5 M?
*September 26, 2010 by Latroy33*

**chemistry**

calculate the molarity of a solution in which 22.6g C6H12O6 is dissolved in 1.08L of solution
*October 13, 2010 by Stacy*

**chemistry**

What is the molarity of an aqueous solution containing 31.7 g of glucose (C6H12O6) in 1.2 L of solution?
*November 3, 2010 by MaryBeth*

** chemistry**

How many moles of solute are contained in a 150ml solution of a 0.25 M NaNO3 solution?
*November 4, 2010 by Ed*

**Chemisty **

Kaochlor, a 10% (m/v) KCl solution, is an electrolyte solution. How many milliequivalents of K+ are in a 30 ml dose.
*November 17, 2010 by Susie *

**College Chemistry**

What is the molarity of 7.52 ml of HCL solution and 5.393 of HC2H3O2 solution?
*December 17, 2010 by Anonymous*

**Chemistry**

To what volume should you dilute 50.0 mL of a 4.50 M KI solution so that 28.5 mL of the diluted solution contains 2.75 g of KI?
*January 21, 2011 by Heidi*

**chemistry**

What volume of 25% solution is needed to make 500mL of a 10% diluted solution?
*February 15, 2011 by Gabby*

**Chemistry**

The Molarity of a solution that contains 50.0g BaF2 in 700.0ml solution is: A. 0.41 B. 0.29 C. 2.5
*March 5, 2011 by Eric*

**Chemistry**

What is the concentration of OH- in a solution that contains 0.225g of NaOH in 0.250L of solution?
*April 2, 2011 by allison*

**chemistry**

Calculate the molarity of a solution prepared by dissolving 25.0 g NaCl in 1.0 L solution.
*April 6, 2011 by Marilyn*

**Chemistry**

Explain how t make 1.5L of a 2.25M solution of H2SO4 from 6.0M stock solution.
*April 11, 2011 by Kayla*

**Chemistry**

how many grams of a solution are present if the solution contains 12.5g of KCL and is 43% by mass?
*April 13, 2011 by Ryan hawkins*

**Chemistry**

A solution has a volume of 2L and contains 36g of glucose, what is the molaritiy of the solution?
*April 19, 2011 by Bobbi*

**chem 100**

What is the [H3O^+] in a solution that contains 1.44 g HNO3 in 0.520 L of solution?
*May 10, 2011 by yesi*

**science**

when a reaction in solution produces energy, what happens to the temperature of the solution?
*June 9, 2011 by harold*

**science**

cslculate the molarity of a solution of 10.0g MgCl2 in a 300.0ml of solution
*June 21, 2011 by marcus*

**chemistry**

the molarity of a solution containing 40 grams of NaOH in 100 ml of solution is
*July 13, 2011 by willie*

**Math 116a**

solve by elimination 5r-6s=18 6r-5s=46 The solution is There are infinitely many solutions there is no solution
*September 26, 2011 by Katie*

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