a density of 1.0 M solution of NaCL
29,733 results, page 50

MAT117
SOLVE ^Y+61=4 A) The solution to Y=_ OR B)Solution is not a real number Can't figure this one out... This is what I came up w/ Y=^5 
Chemistry
3.13g if CuNO3 is dissolved in water to make a 0.270 M solution. What is the volume of the solution? 
chemistry
A 0.20 M sodium chlorobenzoate (NaC7H4ClO2) solution has a pH of 8.65. Calculate the pH of a 0.19 M chlorobenzoic acid (HC7H4ClO2) solution. 
chemistry
If 40 mL of a 6 {\rm M} \;{\rm NaOH} solution is diluted to a final volume of 200 mL, what is the resulting concentration of the solution? 
chemistry
calculate the molarity and normality of a solution containing 4.0 g NaOH in 500 cm3 solution 
chemistry
calculate the molarity and normality of a solution containing 4.0 g NaOH in 500 cm3 solution? 
Chemistry
Normal saline solution is 0.91%w/v. Calculate the concentration of this solution in milligrams per litre (mg/L) 
mcckc.edu
A 0.10MNaCl solution is blank (iso/hypo/hypertonic) to a 0.10M glucose solution 
CHEMISTRY
calculate the ph of resulting solution when 2.50 ml of the 2.60 M acetic acid is diluted to make a 250.0 ml solution 
CHEMISTRY
calculate the ph of resulting solution when 2.50 ml of the 2.60 M acetic acid is diluted to make a 250.0 ml solution 
chemistry
what volume of water must be added to dilute 5.0 L of .50 M HCl solution into a .10 M solution? 
Chemistry help!!!
Calculate [H3o+] in each aqueous solution at 25*C, and classify each solution as acidic or basic. a. [OH]= 1.1 x 10^9M b. [OH]= 2.9 x 10^2M c. [OH]= 6.9 x 10^12M 
chemistry
what final volume in liters of a 2.5 m solution of sodium nitrate can be made using 25.0g of solution 
chemistry
In order to dilute 1L of 6M solution of NaOH to .5M solution, how much water must be added? 
Chemistry
Describe how to prepare an aqueous 100 mL stock solution of 2 M sodium chloride solution. 
chemistry
If you have 200.0 mL of a 30.0% aqueous solution of isopropyl alcohol, what volume of water is in the solution? 
Chemistry
Can you show me the calculation? How many ml of a 2 M solution of HCL would be needed to neutralize 2 ml of a 5 M solution of KOH? 
dav
determine the concentrated of mohrs salt solution with the help of supplied n/10 kmno4 solution preparred? 
chem 100
What is the pH of a solution prepared by dissolving 7.5 g HCl in water to make 415 mL of solution? 
Chemisrty
Calculate the amount of solute needed to make the solution .50kg of a 18% (m/m) KOH solution 
Chemistry
If 3.5 mL of distilled water is added to 1.5 mL of 0.280 M CoCl2 solution, what is the concentration of the resulting solution 
chemistry 101
What is the pH of a solution in which 296 mL of HCl g, measured at 28.0 C and 1.02 atm, is dissolved in 1.5 L of aqueous solution? 
chemistry
BMercaptoethanol is available as a 98% (w/w) solution, sp gr 1.114. What voulume is needed to prepare 0.100 L of a 50.0 mM solution. fw=78.13 
Biochem
What is the pH and pOH a solution that was made by adding 400 mL of water to 350 mL of 5.0 x 10^3 M NaOH solution? 
science
You have 10 ml of a 1:10,000 solution of hydrogen peroxide (H2O2). What is the molar concentration of the solution? 
chemistry
calculate the molarity of a solution containing 0.5050 mol of solute in 400.0 ml of solution 
Chem112
Compute pH of the saturated solution of La(OH)3 in ther 3x10^5 M aqueous solution of La(NO3)3xKsp(La(OH)3). 
ALGEBRAHelp please
Find the solution to the following system of two linear equations, if it has a solution. x+3y=4, 3x+9y=12 
chemistry
The reasons why copper dissolves in AgNO3 solution but remain insoluble in Pb(No3)2 solution.help me.thank you 
chemistry
A solution that holds the maximum amount of solute under the solution conditions is said to be 
chemistry
Calculate the molarity of a solution prepared by diluting 200.0 mL of 4.0 M HCl to 500.0 mL of solution a. 1.1 M b. 1.6 M c. 2.7 M d. 10. M 
chemistry
What is the concentration (m) of a solution that consists of 48 grams of copper (2) acetate dissolved in 645 mL of solution? 
Math
Tell whether the linear system has ONE SOLUTION, NO SOLUTION, or INFINITELY MANY SOLUTIONS. 4xy=2 x+3y=9 
chemistry
What is the volume of stock solution of 51 g/L AgNO3 required to make a 50 mL solution of 0.03 M final concentration? 
chemistry
A 0.100 m K2SO4 solution has a freezing point of 0.43°C. What is the van't Hoff factor for this solution? Kf = 1.86°C/m 
chemistry
When 26 mL of a 120 mL stock solution containing 3.23 M CaF2 is diluted to 35 mL, how many moles of F are in the new solution 
chemistry
When 26 mL of a 120 mL stock solution containing 3.23 M CaF2 is diluted to 35 mL, how many moles of F are in the new solution 
chemistry
How many milliliters of a 155 mL solution of 1.7 M AlCl3 must be used to make 70 mL of a solution that has a concentration of 0.21 M Cl? 
chemistry
When Zn(OH)2 was added to 1.00 of a basic solution, 1.24×10−2 of the solid dissolved. What is the concentration of in the final solution? 
chemistry
what is the mass of aluminum phosphate needed to create a .25M solution with 650 mL solution? 
Chemistry
Codeine is added to 100ml of water until the solution concentration is 0.800M. What is the pH of this solution? 
Chemistry
What is the concentration of a solution if I dissolve 42g of NaOH in a total volume of 375ml of solution 
Chem Scc
5.82 g of CuNO3 is dissolved in water to make a 0.240 M solution. What is the volume of the solution? 
chemistry
what is the molarity of a solution containing 1 mole of urea per litre of the solution ? Hw to solve this 
Differential Equation
Find the general solution of t^2y"3ty'+4y=0 on (0, infinity sign, given that Y1=t^2 is a solution 
Chemistry
I have a 40 ml solution of pH 4.36. I need to make this solution at pH 8.5 by adding extra 10 ml of HCl and NaOH. Thanks 
ODE
if the DE x^2.y"+xy'y=0 has a general solution c1x+c2.x^1, use the variation of parameters to find the particular solution x^2.y"+xy'y=22/x 
Chemistry (science)
I don't know how to answer this. An aqueous solution of glucose has a freezing point of 0.37. What is the concentration of the solution? 
chemistry
To what final volume should you dilute 60.0 of a 5.20M KI solution so that 40.0 of the diluted solution contains 3.15 of KI ? 
Chemistry 3A
compute the molarity of a solution consisting of 2.0 moles of calcium chloride in 500mL of solution. 
chemistry
What is the pH of a solution prepared by dissolving 1.533 g HCl in water to make 420 mL of solution 
chemistry
A saturated solution of kno3 at 70°c is cooled to 10°c. What mass of a solid of precipitate out of solution. 
math
tell whether the system has one solution, infine\itely many solutions, or no solution y=3x14 yx=10 
chemistry
What is the pH of the solution in which 241 mL of HCl gas measured at 28.0°C and 1.02 atm is dissolved in 1.5 L of aqueous solution 
Math 116
Identify the solution(s) of the system of equations, if any. 6x2y=12 4y=12x24 a. no solution b. (0,2) c.(2,0) d.infinitely many solutions 
chemistry
If you dilute 27.0\({\rm mL}\) of the stock solution to a final volume of 0.460\({\rm L}\) , what will be the concentration of the diluted solution? 
CalculusHELP!!!
Find the complete general solution and a particular solution that satisfies the initial conditions: 2y'' + y'  4y = 0 y(0)=0, y'(0)=1 
chemistry
150 mL of water is added to 50 mL of the solution produced in question 3. Calculate the new pH of the solution. 
chemistry
What volume of a 0.500 M solution should be diluted to make 250 mL of a 0.400 M solution? 
Math
A system of inequalities may have no solution, but is there a case where there might only be one solution? 
algerbra
Identify the solution(s) of the system of equations, if any. 4x  4y = 4 12y = 12x  12 no solution (0, 1) (1, 0) infinitely many solutions 
chemistry
How would you prepare 385 ml of a 0.856 m NaOH solution starting with a 4.93 m stock solution 
chemistry
What is the volume of solution prepared when 6g of acetic acid is dissolved to prepare 0.25M solution 
Chemistry
How much of a 5.2M sucrose solution should you use to make 81.0mL of a 0.040M solution? 
science
Calculate the molarity of a solution which contains 6.456g of Na2CO3 dissolved in 250.0 ml of solution. 
Chemistry
Describe the procedure to prepare this solution: 100 mL of a solution 0.1 M of KMnO4 Help? I don't understand what this implies. 
chemistry
269 mL of a 0.2089 M sodium carbonate (Na2CO3) solution is prepared and labelled "Solution A". 
chemistry
200 ml of h2o is added to 400ml (m/10) of hcl solution. Find the pH of final solution? 
chemistry
How much of a 6.0M sucrose solution should you use to make 77.0mL of a 0.055M solution? 
Chemistry
A solution contains 0.284 M sodium nitrite and 0.257 M nitrous acid. What is the pH of the solution? 
Chemistry
If the mole fraction of ethanol in aquas solution is 0.05 . Calculate morality of solution ? Explain it's. 
science
How much water must be added to 200 g of a 10% NaOH solution to obtain 8% solution 
chemistry
Calculate the ionic strength of a solution that contains 1.45g Na3PO4 in 0.500L of solution. 
chemistry
calculate the ph of a buffer solution containning 0.1M acetic acid and a 0.1M solution of sodium acetate 
Chem
In the aqueous solution of H2SO4 its mole fraction is 0.2 then closest value of molality of solution is (1) 13.9 (2) 9.8 (3) 10.2 (4) 11.2 
Chemistry
Calculate molarity of KNO3 solution if 69 g of salt are dissolved into 250 mL of solution 
Chemistry
If 100ml of 1M NaOH solution is added to water make a solution of 1.5L, calculate its normality 
Chemistry
50 L of your 0.05M sodium. chloride solution, what volume of 1.25M solution would be necessary? 
science
6.025*10^20 molecules of acetic acid are present in 500 ml of its solution .What is the concentration of the solution? 
Math
How much pure antifreeze must be added to 18 liters of a 20% solution to make a 40% solution ? 
chemistry
Calculate the normality of solution containing 4g of sodium hydroxide present in 1 litre of solution ? 
Chemistry
Determine the volume of a 0.1 M solution of HCl, necessary to titrate 20 mL of a 0.5 M solution of NH3. The value of Kb is 1.8 x 105. 
Chemistry
In the aqueous solution of H2SO4 its mole fraction is 0.2 then closest value of molality or solution is a)13.9 b)9.8 c)10.2 d)11.2 
Math
In what proportion should you combine 2:5 soaking solution and distilled water to create 1:20 solution? 
Chemistry
If you dilute 19.0 mL of the stock solution to a final volume of 0.350 L , what will be the concentration of the diluted solution? 
chemistry
Calculate the [H⁺] for the aqueous solution in which [OH⁻] is 1 x 10⁻⁹. Is this solution acidic, basic or neutral? Show your work 
Chemistry
What volume of a 0.125 M solution of NaOH is needed to neutralize 25.0 mL of a 0.285 M solution of HCL 
Chemistry
How many mL of water would you add to 32 mL of 0.62 M ammonium chloride stock solution to make a 0.3 M solution? 
Physics
Three identical glasses are filled to the same height with water. The first glass is filled with water only(Wa). The second glass has an object of volume V and density half that of water floating in it (Wb). The third glass has an object of volume V and density twice that of ... 
pH???+chem!
7. A few drops of bromothymol blue indicator are placed into 250 mL of 0.20 mol/L HCl(aq). A sample of 1.8 g of NaOH(s) is then dissolved into this solution. The final colour of the solution is predicted to be How can I do this one? What is the pH of the HCl solution? THen, ... 
Chemistry
If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formula, including the state, of the soluble product. If there is no reaction, enter the formula and state of all ions in solution, separate by comma. CoCl2(aq) + ... 
Chemistry
If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formula, including the state, of the soluble product. If there is no reaction, enter the formula and state of all ions in solution, separate by comma. CaBr2(aq) + ... 
Chemistry
You have 1liter buffer solution containing 0.1 M HF and 0.05 M NaF. Now you add 0.055 moles of HCl to it. A) Do you think that the solution still retains it's effectiveness? B) Explain rationally how you came to the conclusion. I do not think that the solution would retain it'... 
Great Valley
How many moles of potassium sulfate would you need to prepare 1200 grams of 5.0% sulfate (m/m) solution? Calculate the volume of solution of 3.6 NH4CI needed to prepare 350.0ml of 1.24 M NH4CI. How many grams of ammonium chloride are in the solution you created in the above ... 
chemistry
Indicate whether each solution is acidic, basic, or neutral. a. [H3O+] = 6.9 x 101 M This solution is acidic. b. [H3O+] = 8.2 x 1013 M This solution is basic. c. [H3O+] = 3.2 x 101 M This solution is acidic. 
chemistry
ndicate whether each solution is acidic, basic, or neutral. a. [H3O+] = 6.9 x 101 M This solution is acidic. b. [H3O+] = 8.2 x 1013 M This solution is basic. c. [H3O+] = 3.2 x 101 M This solution is acidic. 
Chemistry
1)A solution prepared by adding 0.400 mol of acetic acid (pKa = 4.74) and 0.400 mol of sodium acetate to 100.0 mL of water. The pH of this buffer solution is initially 4.74. Predict the final pH when 55.0 mL of 1.10 M NaOH is added to solution 2) A solution prepared by adding ... 
Social Impact of Technology
Marge maintains that there is no direct correlation between population density and poverty. Mason argues that population density is normally associated with poverty and political instability. Who is correct? A. Marge and Mason are both incorrect. B. Marge and Mason are both ... 
Chemistry
A solution is made by mixing 12.0 g of NaOH and 75.0 ml of 0.200 M HNO3 a) write a balanced equation for the reaction that occurs between the solutes. b) Caclulate the concentration of each ion remaining in solution. c) Is the resultant solution acidic or basic? O.k. I am ... 
CHEMISTRY
A solution is made by mixing 12.0 g of NaOH and 75.0 ml of 0.200 M HNO3 a) write a balanced equation for the reaction that occurs between the solutes. b) Caclulate the concentration of each ion remaining in solution. c) Is the resultant solution acidic or basic? O.k. I am ...