Friday

August 29, 2014

August 29, 2014

Number of results: 17,134

**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*

**chemistry**

Calculate the morality of the solution 0.450 mol of Na2S in 1.75 L of solution
*November 7, 2011 by Betty*

**chemistry**

A solution contains 33.3 g H3PO4 in 448 mL of solution. Calculate its molarity.
*November 16, 2011 by Anonymous*

**chemestry**

what is the molarity of a solution made by dissolving 3.86 moles of NaCl in 2.50 L of solution?
*November 22, 2011 by Anonymous*

**chemistry**

What volume of a 7.00 M solution of Ca(OH)2 is needed to neutralize 37.2 mL of a 3 M solution of nitric acid? 1. 15.9 mL 2. 37.2 mL 3. 7.97 mL 4. 24.2 mL
*November 29, 2011 by katie*

**chemistry**

What is the molarity of an aqueous solution containing 43.7 g of glucose (C6H12O6) in 1.1 L of solution?
*February 9, 2012 by jessica*

**chemistry**

If you have 2 moles of glucose in 8 liters of solution, what is the molarfity of this solution?
*March 11, 2012 by idk *

**chemistry**

what is the molarity of a solution if 255g AgNO3 is dissolved in 1500 mL of solution
*April 3, 2012 by ron*

**chemistry**

What is the molarity of a solution if 255g NaNO3 is dissolved in 1500 mL of solution
*April 3, 2012 by paige*

**Chemistry**

A saturated aqueous solution of calcium hydroxide has a pH of 12.25. What is the [Ca 2+] of such a solution?
*April 14, 2012 by Andy*

**aglebra 2**

determine whether the equation has one solution, no solution, or is an identity. 5y+3=26
*September 6, 2012 by jess*

**Science**

A solution has a density of 3/mL. How many grams are needed to obtain 10.0mL of solution?
*September 24, 2012 by Sammi*

**chemistry**

Calculate the normality of a 15% H2SO4 (MW=98g/n) solution. The density of the solution is 1.21 g/mL
*November 22, 2012 by jhanica*

**AP Chemistry**

The pH of a solution of Sr(OH)2 is 12.42. What is its pOH? What is its [H3O^+]? What is its (OH^-)? What is its [Sr(OH02]? Is the solution acidic or basic?
*January 9, 2013 by Lizzy*

**chemistry**

To what volume should you dilute 50.5 of a 4.60 solution so that 30.0 of the diluted solution contains 3.30 of
*January 12, 2013 by Nicole*

**chemistry**

To what volume should you dilute 50.5 of a 4.60 solution so that 30.0 of the diluted solution contains 3.30 of KI?
*January 12, 2013 by Tata*

**clinical chemistry**

how many militers of a 2.0M solution is required to prepare 50ml 0f a 0.3M solution
*January 21, 2013 by Anonymous*

**chemistry**

Tell how to make a 1 M solution of Mg3(PO4)2 and a 0.1 M solution of CaSO4.
*January 25, 2013 by Shannon*

**math**

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
*January 27, 2013 by monet*

**Chemistry**

A solution has a mass of 95.00g and a density of 2.147 g/mL. What is the volume of the solution?
*March 14, 2013 by Alice*

**Chemistry**

What is the molarity of an aqueous solution containing 27.3 g of glucose (C6H12O6) in 1.7 L of solution?
*April 4, 2013 by Shawn*

**Chemistry**

What is the normality of a solution which contains 4.03-g of sodium carbonate in 300.-mL of solution?
*May 22, 2013 by Megan*

**Chemistry- Please Help!!**

If a 0.10 M solution of an acid has a pH of 4.5, what would be the predicted pH of a .10 M solution of the conjugate, and why?
*July 31, 2013 by Kelly*

**Chem**

What volume of 2.50 x 10-4 M CV+ solution should be diluted to 10.0 mL to prepare a 7.50 x 10-5 M CV+ solution Answer 1.00 mL 3.00 mL 5.00 mL 7.50 mL 33.3 mL
*September 3, 2013 by Kristen*

**science**

What is then volume in mL of then solution 3.04g of sodium chloride from a 0.110 M solution?
*September 29, 2013 by samantha*

**chemistry**

How would you prepare 2.25L of a 3.00M solution from a 15.0M stock solution?
*October 18, 2013 by mona*

**math**

Identify the solution(s) of the system of equations, if any. -4x - 4y = 4 4y = -4x - 4 A) no solution B) (0, -1) C) (-1, 0) D) infinitely many solutions
*October 20, 2013 by sam*

**Math 6**

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
*October 20, 2013 by sam*

**Chemistry **

A solution is 3.00M NaCl. The solution density is 1.05 g/mL. Calculate the molality?
*February 4, 2014 by Camilo*

**Chemistry**

At 25 °C, the density of a 40.0% (m/m) solution of sucrose, C12H22O11, in water is 1.18 g/mL. What is the molarity of this solution?
*February 16, 2014 by Michael*

**chemistry help~~~~ Please!!!**

how should the ph of a 0.1 m solution of nac2h3o2 compared with that of a 0.1 m solution of kc2h3o2?
*April 10, 2014 by Ali*

**Chemistry**

Calculate the molarity of an HCI solution, if 20.0 mL of it were neutralized by 10.0 mL of 2.00 M solution of NaOH.
*May 6, 2014 by Help me!!!!!!*

**Chemistry**

How many moles of KF are contained in 244 mL of 0.135 m KF solution? The density of the solution is 1.22 g/mL.
*May 31, 2014 by Veronica*

**Chemistry**

if 50 ml of a solution of ph 3 is mixed with 50 ml of a solution of 5, explain why the resulting ph is still about 3 and not 4?
*June 17, 2014 by Abdulhafiz*

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