a density of 1.0 M solution of NaCL
29,493 results, page 49

Chemistry
What is the normality of a solution which contains 4.03g of sodium carbonate in 300.mL of solution? 
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? 
Chem
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 Answer 1.00 mL 3.00 mL 5.00 mL 7.50 mL 33.3 mL 
science
What is then volume in mL of then solution 3.04g of sodium chloride from a 0.110 M solution? 
chemistry
How would you prepare 2.25L of a 3.00M solution from a 15.0M stock solution? 
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 
Math 6
Identify the solution(s) of the system of equations, if any. 3x4y=2 8y=6x4 A) infinitely many solutions B) (16/9, 5/6) C) (2/3, 0) D) no solution 
Chemistry
what is the molarity of the following solution? 13.8g of potassium trioxocarbonate (IV) in 200cm^3 of solution 
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? 
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. 
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? 
chemistry
f 8.77 g of KI are dissolved in enough water to make 4.75 L of solution, what is the molarity of the solution? 
important math question
the equation x^3 x5=0 has one solution for x between 2 and 2. what is the solution? how do I get this 
math
A 70% acid solution is to be mixed with a 40% solution. How many gallons of each solutions are needed? 
Chemistry 2
what is the pH in a 0.13M solution of aniline (Kb=4.3*10^10). What is the concentration of C6HNH2 in the same solution? 
chemistry
A 0.248 M ZnCO3 solution is made from 21.4 g of solute? What is the volume of the solution? 
Calculus
Find the general solution of the DE. Write your solution explicitly. y'=(y^(2)+y^(2)cosx)^2 
chemistry
To what volume should you dilute 47.0 mL of a 5.95 M KI solution so that 27.5 mL of the diluted solution contains 3.50 g of KI? 
Chemistry
How many milliliters of 2.00 M NaHO solution are needed to neutralize a 8.00 mL of 3.50 M H2SO4 solution? 
Chemistry
how many milliliters of a 5.0 m surcrose solution would be needed to prepare 45 mL of a 4.0 M solution? 
Chemistry
if 40.0 ml of 11.25 M KNO3 is used to make a 7.55 L aqueous solution, what is the molarity of the solution 
chemistry
Calculate the pH of a solution obtained by mixing of 100 mL of a 103 M and 50 mL of a 102 M solution of CH3COONa. 
chemistry
normality of a solution containing 2g sodium carbonate in 250mL solution 
Chemistry
A solution has a hydrogen ion (or hydronium) concentration of 3.16 X 108 M. What is the pH of the solution? 7.5 8.5 <my choice 8.0 7.0 
Mathematics
Am I right?? a 3/4 = 5/8 A) 1/8 or 1/8 B) 7/8 or 7/8 C) 1 3/8 or 1 3/8 D) No Solution** Wouldn't this just come out to to no solution..?? 
Chemistry 101
What is the [H3O+] in a solution that contains 1.59 g of HNO3 in 0.460 L of solution? 
Science
100ml of 1.0 m KOH solution will neutralize 100 ml of 1.0 M H2SO4 solution Thank you! 
chemistry
What are the accepted values for the number of moles of NaCl that are produced from HCl and the following various amounts of grams of NaHCO3; 0.25 grams 0.5 grams 1 gram Please Help! 
Chemistry
A student found that her mixture was 15 percent NH4cl 20 percent NaCl and 75 percent Sio2 Assuming her calculations are correct what did she most likely do incorrectly in her experiment? 
Chemistry 101
A student needs to run an experiment to determine the amount of substance in the solution. As more of the substance is dissolved, the more red the solution becomes. He is planning on using an absorption spectrometer to measure how much of a wavelength would be absorbed when ... 
Honors Chemistry 101
Do my answers look correct for these? Thanks Calculate the mass percent of a solution containing 45.6 grams ethanol (C2H6O) in 245 grams of water. 15.7% You are asked to make 500.0 mL of a 4.5M solution of HCl, but the only HCl you have available to dilute is 18.0M. Describe ... 
Chemistry
Calculate the pH of the following buffer solutions: a) a solution made by dissolving 2.733g KH2PO4 and 4.508g K2HPO4 in water to give 250 ml of solution. b)a solution made by mixing 35.00 ml 0.24 M C6H5NH2 with 15.00 ml 0.19 M C6H5NH3CL. The base dissociation constant Kb is 4.... 
Chemistry
Glutamic acid is triprotic amino acid with pKa values of 2.23, 4.42, and 9.95. You are given a 0.100 M solution of it in its fully protonated form (H3A). How many moles of KOH must be added to 100 mL of this solution to make a solution with a pH of 5.00. I used 2.23 as the pka... 
biology (Help please!!!)
1. If a student pours a solution of salt water on an elodea leaf, what is it an example of? 2.A child pours salt crystals on the body of a slug he finds in the backyard. Options are: high concentration, low concentration, osmosis, diffusion, hypertonic solution, and hypotonic ... 
Chemistry
please show me step by step how to do this so i can figure out the rest We add excess Na2CrO4 solution to 42.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.520 grams. What ... 
Chemistry
A 50.0 mL aqueous solution of sodium hydroxide has a pH of 12.50. If 36.00 ml of 0.0200 mol/L sulfuric acid is added to this sodium hydroxide solution, what will be the new pH of the resulting solution? Assume that the temperature stays constant at 25 C, and that the volumes ... 
Chemistry
A 10.0 mL sample of 3.00 M KOH(aq) is transferred to a 250.0 ml volumetric flask and diluted to the mark. It was found that 38.5 ml of this diluted solution was needed to react the stoichimetric point in a titration of 10.0 mL of a phosphoric acid, H3PO4, solution. The ... 
PHYSICS _ please help
A metal block of volume 1 * 10^3 cm^3 is suspended from a thread as shown in the diagram. It is lowered into a beaker of liquid of unknown density until it is completely immersed but does not touch the bottom of the beaker. The beaker rests on a balance. The reading of the ... 
Chem II
Find the a) % solution, b) molality and c) mole fraction of the acid 16.0 M H2SO4 d = 1.634 g/ml for the solution 
Chemistry
What is the molarity of a solution containing 20 grams of NaOH in 500 milliliters of solution? a0.04M b0.5M c1M d2M 
Chemistry
What is the molarity of a solution containing 20 grams of NaOH in 500 milliliters of solution? a0.04M b0.5M c1M d2M 
chemistry
if 24.25 mL of a standard M NaOH solution is required to neutralize 26.00 mL of H2SO4, what is the molarity of the acid solution? 
math
solve by the substitution method 3x + 6y = 27 2x + y = 12 what is the solution of the system..(type an ordered pair, or N if there is no solution) 
AP Chem
A 0.23 M sodium chlorobenzoate (NaC7H4ClO2) solution has a pH of 8.68. Calculate the pH of a 0.23 M chlorobenzoic acid (HC7H4ClO2) solution 
Chemistry
A solution of volume 70.0mL contains 15.5mmol HCHO2 and 9.00mmol NaCHO2. What is the pH of this solution? 
chemistry help asap
A solution of salt in water conducts electricity, but a solution of sugar does not. Explain why? 
Algebra
Please Solve: x+sqrt11−x = 5 I do not think there is a solution but here are the choices A. 2 B. 7 C. 2, 7 D. No solution 
Chemistry
Why would NAOH solution need to be added when preparing the K2CrO4 stock solution? 
Chemistry
If 7.83 g FeCl3(s) is dissolved in enough water to make 2.50 L of solution, what is the concentration of Fe3+ in the solution? 
Honors Chemistry
Will a base + H2O ALWAYS from a basic solution? (not a neutral or acidic solution) 
chemistry
How many milliliters of .50 M NaOH solution are required to titrate 40.0 mL of a 0.10 M H2SO4 solution to an end joint? 
chemistry
What is the osmotic pressure of a solution containing 25.7 g of sugar (C12H22O11) in one liter of solution at 20°C? 
Chemistry
What is the concentration, in percent (v/v) of a solution containing 50mL of diethyl ether (C4 H10 O) in a 2.5L of solution? 
Algebra 1a
Solve by the substitution method. 5x + 8y=0 x=2 2y Type ordered pair if there is a solution, or indicate no solution 
chemistry
when 0.50 L of a 1.0 M solution of Pb (No3)2 is mixed with 0.50 L of a 1.0 M solution of KI, how many moles of lead (III) iodide are formed? 
chemistry
How many grams of NaOH should be dissolved in 1 litre of solution to prepare a solution with pH value12 
chemistry
A solution was prepared by dissolving 43.0 of in 225 of water. Calculate the mass percent of in the solution. 
chemistry
How much of a 0.25 M NaOH solution is needed to neutralize 100 mL of a 0.15 M HCl solution? The units are mL 
ap chemistry
a potassium hydroxide solution is titrated with a solution of perchloric acid. what is the balanced equation? 
chemistry thank you
How much of a 0.23 M NaOH solution is needed to neutralize 27 mL of a 0.85 M sulfuric acid solution? The units are mL 
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 
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?