a density of 1.0 M solution of NaCL
29,680 results, page 52

chemistry
what is the molarity of a solution prepared by dissolving 63.0 g NaF in enough water to make 250.0 mL of solution? 
chemistry
explain why a precipitate forms when silver nitrate solution is added to sodium chloride solution? 
JHU
When excess solid Mg(OH)2 is shaken with 1.00 L of 1.2 M NH4Cl solution, the resulting saturated solution has pH = 9.30. Calculate the Ksp of Mg(OH)2 
Chemistry
When excess solid Mg(OH)2 is shaken with 1.00 L of 1.2 M NH4Cl solution, the resulting saturated solution has pH = 9.30. Calculate the Ksp of Mg(OH)2 
pharmacy math
if 500 ml of a 15% solution is diluted to 1500 ml, how would you label the final strength of the solution? 
Chem 111
Why would NaOH solution need to be added when preparing the K2CrO4 stock solution 
Math: PLEASE HELP
3. Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.) x = –4.24 C.) 4.24 *D.) no solution Thank you 
Algebra
Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.x = –0.24 B.x = –4.24 C.4.24 D.no solution I think it is D...? 
science
10 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.1 M C2H3O2. What is the pH of the resulting solution? 
chemistry
how many grams of Ag2CO3 will precipitate when excess Na2CO3 solution is added to 64.0 mL of 0.554 M AgNO3 solution? 
chemistry
1L of a .2M solution of Ethanoic acid is altered by adding 5.00g of sodium butanoate. what is the pH of the new solution 
achem
1L of a .2M solution of butanoic acid is altered by adding 5.00g of sodium butanoate. what is the pH of the new solution? 
Chemistry
What is the molarity of a sucrose solution that contains 76.7 g of C12H22O11 (342.34 g/mol) dissolved in 138.2 mL of solution 
Chemistry
calculate the volume of the 3.0 M stock solution needed to make a diluted 30mM solution in 400ml 
Chemistry
calculate the volume of the 3.0 M stock solution needed to make a diluted 30mM solution in 400ml 
Analytical Chemistry
calthe culate mass of 10% stock solution required to prepare 0.8kg of 4%solution 
chemistry
If you dilute 10.0mL of the stock solution to a final volume of 0.350L , what will be the concentration of the diluted solution? 
Chemisry
If 125 mL of a 6.00 M KNO3 solution is diluted with 100.0 mL of water, the molarity of the resulting solution would be 
chemistry
How many grams of I2 are present in a solution if 33.75mL of 0.140M Na2S2O3 solution is needed to titrate the I2solution? 
AP Chemistry Acids
What is the pH of a solution obtained by adding 145mL of 0.575M HCl to 493mL of a HNO3 solution with a pH of 1.39? 
chemistry
if I dilute 250 of mL of 2.4 M lithium hydroxide solution so that it's new volume is 750 mL, what is the concentration of the solution? 
algebra
Solve the inequality graph the solution set 26+6b>2(3b+4) answers are all real numbers, b<1 1/2, b>1 1/2,, no solution 
algebra
Solve the inequality graph the solution set 26+6b>2(3b+4) answers are all real numbers, b<1 1/2, b>1 1/2,, no solution 
chemistryyyy
a. What is the pH of a 6.1 ✕ 105 M Ca(OH)2 solution? b. What is the H3O+ concentration of the solution? I just cant figure out the ionic equation. 
algebra
Solve the inequality graph the solution set 26+6b>2(3b+4) answers are. All real numbers, b<11/2, b>11/2, no solution thanks 
Algebra
Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. (1 point) • x = –0.24 • x = –4.24 • 4.24 • no solution 
chemistry
What volume of a 0.610 M NH4I solution is required to react with 525 mL of a 0.300 M Pb(NO3)2 solution? 
chemistry
In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution 
chemistry
In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution? 
chemistry
In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution? 
chemistry
a student measures the conductivity of a KNO3 solution and determines it to be a strong electrolyte.what species are in solution? 
Chemistry
if 5.00 ml of 1.66x10^1 M HCl solution is diluted to exactly 250.0 ml with water, what is the concentration of the resulting solution? 
Chemistry
Is the boiling point of 0.01 m potassium fluoride solution higher or lower than that of 0.01 m glucose solution? Explain 
chemistry
You have 14.0mL of a 0.12M NaOH solution. How many moles of HCl will it take to neutralize this solution? 
Calculus
Find the general solution for the differential equation. Leave your solution in implicit form. dx/dt=(2x)sqrt(1x) 
chemistry
If a solution is made 0.080 M in Mg(NO3)2, 0.075 M in aqueous ammonia, and 3.5 M in NH4NO3, will Mg(OH)2 precipitate? What is the pH of this solution? 
Chemistry
What volume (in mL) of 0.55 M Na2SO4 solution is needed to precipitate all the barium, as BaSO4(s), from 15.5 mL of 0.25 M Ba(NO3)2 solution? 
chemistry
10 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.1 M C2H3O2. What is the pH of the resulting solution? 
Hindu Vidyapeeth
Find the molarity of solution in which 69g nitric acid is present in 500ml of solution ? 
Chemistry
6.00 g of NaOH are dissolved in water to make 4.00 L of solution. What is the concentration of hydronium ions, [H3O+], in this solution? 
Engineering
For what values of (¢ belongs to R) the following system of equations has (1)no solution (2)a unique solution (3)infinitely many solutions? (5¢)x+4y+2z=4 4x+(5¢)y+2z=4 2x+2y+(2¢)z=2 
University of Liberia , Chemistry
(1) To what volume should you dilute 0.100l of a 15m Na oH solution to obtain 1.0 m Na oH solution? 
Chemistry
Calculate the molarity of a solution prepared by dissolving 10.0 grams of NaOH and then diluting the solution to 500mL. 
Chemistry
What is the concentration of lead ions in a solution if they are completely precipitated from 36.3 mL of solution by 29.6 mL of 0.35M potassium iodide. 
Chemsitry
You are given a colored solution that is labeled 1M. You need to prepare a solution from this that is 0.5 M. Describe your procedure in detail. 
chemistry
a 10.0 ml sample of a hcl solution is titrated with 32.6 ml of a 0.155 m naoh solution. what is the equation for the neutralization reaction? 
Chemistry
A concentrated H2SO4 solution is 10.5 M. You have to make 255 mL of 0.650 M solution. How would you prepare it? 
Chemistry
An aqueous solution of a molecular compkind freezes at 0.086 degrees Celsius. What is the molality of the solution? 
Chemistry
Please sir solve this... 6.3 gm of oxalic acid (eq. Wt.=63) is dissolved in 500 ml solution what will be the normality of the solution? 
physics
the speed of light is measured to be 1.50*10^8 m/s in a sucrose water solution. calculate the refractive index of the solution. \ 
Chemistry
Describe how to make 100 mL of a 0.120 M solution of CU(NO3)2 * 3H20 (Making a solution lab) 
Chemistry
Determine the pH of a solution made by diluting 25mL of 6.0 M HCl until the final volume of the solution is 1.75 L 
chem
What volume of a 0.430 M NH4I solution is required to react with 289 mL of a 0.560 M Pb(NO3)2 solution? 
Biochemistry
What is the pH of the resulting solution if 10.0 mL of 1.0 M NaOH is added to 100 mL of this formic acid  sodium formate solution? 
chemistry
To 100 mL of a 0.1M NH3(Kb=1.8*105)solution,200mL of a 0.1M NaOH have been obtained.Calculate the pH of the solution. 
Algebra
2(y3)=2y6 A. One Solution B. No Solution C. Infinite Solutions ____________________________ Also Need help on these 2 prntscr/cpbo66 
Chemistry
If 0.0365 mol of CaCl2 is dissolved in water to make a 0.640 M solution, what is the volume of the solution? 
Chemistry
Prepare 0.03 mole fraction solution of NaOH in water Total volume of solution is 100ml 
Chemistry
calculate the mass ratio of 25% cacl2 solution and water to prepare 500 g of a 5% salt solution 
algebra
Graph the system of inequalities (shade each halfplane solution,not only the overall solution). y<= 3/2x+3 2x + y<10 y>1 
science
Determine the amount of NaoH dissolved in 250ml of the solution by titrating it against N/10 H2so4 solution 
chemistry
What will happen if ammonium chloride solution is used to standardize the potassium tetraoxomangate(vii)solution? 
AP Calculus
Find the particular solution to y ' = 2sin(x) given the general solution is y = C  2cos(x) and the initial condition y(pi/2) = 1 
chemistry
5. Compound A has a MW of 283. 0.423g of Compound A is dissolved in 13.5mL of water and 1mL of the solution added to 5mL of water to produce “solution A”. What is the concentration of Compound A in “solution A”? 
science
Compound A has a MW of 283. 0.423g of Compound A is dissolved in 13.5mL of water and 1mL of the solution added to 5mL of water to produce “solution A”. What is the concentration of Compound A in “solution A”? 
math
Explain how to solve: A chemist has one solution containing 30% insecticide and another solution containing 50% insecticide. How much of each solution should the chemist mix to get 200 L of a 42% insecticide? 
Chemistry
how do I find the pH of a buffer solution given that 0.010M NH3 mixed with 0.0030M NH4Cl. Also... a 0.010M HF solution is mixed with 0.030M KF. FIND THE pH of this mixed solution. 
Chemistry
The normal concentration of sodium chloride in blood is 0.9% (w/v). Therefore, assuming FW for Nacl of 58.4 g/mole, an isotonic 0.9% (w/v) saline would have how many milliequivalents per liter (mEq/L) of Na ions? Can you show me how you came up with this answer? 
Chemistry
A solution of hydrogen peroxide, H2O2 , is titrated with potassium permanganate, KMnO4 , according to the following equation: 5 H2O2 + 2 KMnO4+ 3H2SO4 > 5O2 + 2 MnSO4 +8H2O + K2SO4 It requires 46.9mL of 0.145 mol/L KMnO4 to titrate 50.0 mL of the solution of H2O2 . What is... 
Chemistry
An aqueous sodium salt (NaCnH2n+1O3) solution has an osmotic pressure of 2.041 atm when 1.068 g of the salt are dissolved in 200. g of water at 25 degrees C. Assuming molality and molarity in such a dilute solution are the same and that the sodium salt is completely ... 
chem
If 5.35 g of KMnO4 are dissolved in a liter of solution, what is the normality of the solution? 
chemistry
If you have a 8M solution of H2SO4 how do you produce 105 ml of .25 M solution? 
Algebra
Solve by the substitution method 9x+8y=5 x=409y The solution is _______ or there is no solution 
chemistry
what is the molarity of a solution with 150g of KNO3 dissolved in 1 L solution? 
Algebra
Process of eliminiation method ? Is there a solution, infinity or no solution. I don't get it. Can anyone help me? 3r  5s = 27 5r + 3s = 23 
algebra
Process of eliminiation method ? Is there a solution, infinity or no solution. I don't get it. Can anyone help me? 3r  5s = 27 5r + 3s = 23 
Chemistry
What is the H3O+ in a solution that contains 1.48 g HNO3 in 0.560 L of solution? 
Math
5/8x + 1/6x = 11/16 + x the solution is x= enter solution as integer or simplified fraction. 
Chemistry
How would you prepare a 250 mL solution of . 45 M from a stock solution of 5.5 M? 
10th grade
scientist needs 5L of 12% solution. She has on 10% and 17% solution. How much of each does 
algebra
Please help!!! Determine whether 10 is a solution of the equation 6(x2)= 70 Is 10 a solution? Thanks for your help 
ap chemistry
what is the molarity of a solution in which 80g of CaCl2 is dissolve in 2.5 L of solution? 
chemistry
Describe how to make 20 mL of a 6.0 % solution from a stock solution with a concentration of 10 %. 
chemistry
Calculate the molarity of a solution by dissolving 40.0 g NaOH in 1.5 L solution. 
chemistry
if you have 2 mol of glucose in 4L of solution, what is the molarity of the solution? 
chemistry
How many mL of a 4.7 M HNO3(aq) solution are required to make 500 mL of a solution with pH=2.10 
Chemistry
How many mL of a 6 M HCl solution are required to prepare 200 mL of a 0.2 M solution? 
Chemistry
What volume of 0.867 M solution is required to make 3.50 L of a solution with pH of 12.5? 
Chemistry
A solution contains 0.400 g of NaOH in 20.0 mL of solution. What is its molarity 
chemistry
What is the molarity of a solution containing 18.0 g of KCl in 354 mL of solution? 
chemistry
What volume of 2.50 x 104 M CV+ solution should be diluted to 10.0 mL to prepare a 7.50 x 105 M CV+ solution 
Algebra 1A
I am so lost! Solve the equation and check the solution 6(t2)(t+3)=2 The solution to t is ?? 
Chemistry
A solution has a %T value of 75.4% at 600 nm. What is the absorbance of this solution at this wavelength? 
Chemistry
A solution has a %T value of 75.4% at 600 nm. What is the absorbance of this solution at this wavelength? 
chemisty
How many mL of a 0.5M Ca(OH)2 solution are needed to neutralize 38mL of a 2M HNO3 solution? 
Chem
If the pH of a solution at 25.00 degrees celsius is 2.37, the pOH of the solution at that temp is: 
chemistry
what is the [OH] in a solution that contains 0.225g of NaOH in 0.250 L of solution 
Chemistry
A solution contains 314 mg/L of Ca2 . What is the solution in nmol/m3? 
Chemistry
What volume(ml) of 8.0 M solution is required to make 134.3 ml of 1.2 M solution 
Chemistry
what is the hydronium ion concentration in a 0.55 M HNO3 solution ? what is the pH of this solution? Thank You!!!