# a density of 1.0 M solution of NaCL

29,400 results, page 52

### 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*10-5)solution,200mL of a 0.1M NaOH have been obtained.Calculate the pH of the solution.

### Algebra

-2(y-3)=2y-6 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 half-plane 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?

### 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

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...

### 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=40-9y 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(x-2)= -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 10-4 M CV+ solution should be diluted to 10.0 mL to prepare a 7.50 x 10-5 M CV+ solution

### Algebra 1A

I am so lost! Solve the equation and check the solution -6(t-2)-(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!!!

### Chemistry

what is the hydronium ion concentration in a 0.55 M HNO3 solution ? what is the pH of this solution? Thank You!!!

### chemistry

what volume of water is required to make 0.20 M solution from 16 ml of 0.5 M solution?

### chemistry

Calculate the pH of an aqueous solution of 11.5 mg of KOH dissolved in 56 mL of solution.

### chemistry

How much 9% solution can you make by diluting 350ml of a 15% solution?

### Math

4(2x + 3) = 2(3x - 4) one solution *my answer* infinite solutions no solution

### chemistry

What mass of solution contains 15.0g of sulfuric acid in a 20.0% solution

### Algebra 1

Find the solution of x^2+14x+112=0 I don't think that there is a solution

### Chemistry

The ph of a solution is 9.55 at 25degree celcius. What is the hydroxide-ion in the solution?

### Chem/bio question

HA is an acid that ionizes in 10% in solution. what is the [h+] of a 0.01 m solution of ha?

### science

pH of HCl solution is 2. Calculate the pH if this solution was diluted twice

### science

how many ml of 6M HCl solution are required to bring the pH of 10 ml of a 4M NaOH solution to 2.0

### chemistry

how many ml of 6M HCl solution are required to bring the pH of 10 ml of a 4M NaOH solution to 2.0

### Chemistry

I have a .01 M solution of N2, and the concentration of H2 in the same solution is .02. What is the Ksp.

### chemistry

calculate the ph of a solution that is 0.111 M HCI(strong solution)

### chemistry

0.01 mol of H2SO4 is present in its solution. Find the pH of the solution

### Science

Which is the molarity of a solution containing 20 g of CH3 OH in 300 mL of solution

### Math

Is x+3=2y and x=2y-3 have infinitely solutions or one solution or no solution

### Chemistry

Does a neutral solution always act as a buffer solution?

### Chemistry

Describe how to make 20 mL of a 6.0 % solution from a stock solution with a concentration of 10 %.

### Chemistry

Help!!!! Describe how to make 20 mL of a 6.0 % solution from a stock solution with a concentration of 10 %.

### 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 milli-equivalents per liter (mEq/L) of Na ions? Can you show me how you came up with this answer?

### Chemistry

Sodium metal dissolves in liquid mercury to form a solution called a sodium amalgam. The densities of Na(s) and Hg(l) are 0.97 g/cm3 and 13.6 g/cm3, respectively. A sodium amalgam is made by dissolving 1.0 cm3 Na(s) in 20.0 cm3 Hg(l). Assume that the final volume of the ...

### Chmistry

Sodium metal dissolves in liquid mercury to form a solution called a sodium amalgam. The densities of Na(s) and Hg(l) are 0.97 g/cm3 and 13.6 g/cm3, respectively. A sodium amalgam is made by dissolving 1.0 cm3 Na(s) in 20.0 cm3 Hg(l). Assume that the final volume of the ...

### Chemistry

A chemist takes a 647 gram sample of this hydrate. She removes all the water possible from the sample and collects it. To this water, she adds 7.6 grams of lead(II) nitrate. Afterwards she wants to precipitate all the lead. She wants to use a solution of aluminum sulfate to ...

### Chem

I got part a but part b I'm having trouble with I keep getting 56.2mL. I'm not sure what the next step is really to find part b. A. How would you prepare 250 mL of a 0.150 M solution of CoCl2 from solid CoCl2 and distilled water? Dissolve 4.87 grams solid CoCl2 into enough ...

### science

during the experiment, the students were asked to prepare a 10% (mass/mass) solution of sugar in water . ramesh dissolved 10g of sugar in 100g of water while sarika prepared it by dissolved 10g of sugar in water 100g of the solution a) Are the two solution of the same ...

### chemistry

Which one of the following is a combustion reaction? A. CH4 + 2 O2 CO2 + 2 H2O B. HBr + NaOH NaBr + H2O C. Xe (aq) + H2O(l) HXe(aq) + OH- (aq) D. NaCl (aq) + AgNO3 (aq) NaNO3 (aq) + AgCl (s)

### Please Help CHEM

Can you please tell me if these are right? Determine the pH for the following solutions A [OH-] = 1.0 X 10^-7 M I got 7 B. [H3O+ = 4.2 X 10 ^-3M I got 2.4 C. [H3O+]= 0.0001M I got 4 D. [OH-] = 8.5 X10^-9M I got 5.9 What are the [H3O+] and [OH-] for a solution with the ...

### acid-base titrations

what is it important to keep the NaOH solution covered at all times? How will the molarity of the NaOH solution be affected by its continued exposure to the atmosphere? The pale pink color of the titration solution at the end point will fade to colorless after several minutes ...

### Chemistry URGENT/DR BOB

Can someone may sure that I balanced the following groups of equations correctly. Write an equation to show how acetic acid reacts with water to produce ions in solution. C2H4O2 + H2O >>>>>>> H3O + C2H3O Write an equation for the neutralization of HCl and ...

### Chemistry

Calculate the mass in grams of the undiluted bleach that was in the sample of bleach titrated. Given: Density of undiluted bleach unkown is 1.042 g/mL. 14.44 mL of .100 M Na2S2O3. .0537 grams of NaClO. Each sample should conain 1/5 of the original undiluted bleach. Since 5mL ...

### Physics- PLEASE!!

A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. On the right side of the tube, the depth of oil is 5.00 cm . On the left side of the tube, the depth of the oil is 2.30 cm. The density of the water is 1x10^3 , and ...

### chemistry

Hello, ((((((I need the answer in a hour from my posting))))) I have been posting this problme for four days ago, so please show Sympathy. I solved it but I want to be 100% su ...there is moreshow problem Hello, ((((((I need the answer in a hour from my posting))))) I have ...

### math

The scientists Verhulst (1828) where is the natural growth rate of the population when resources are limited and is a positive constant called carrying capacity of the environment. (a) Using sign analysis, find all constant solution and discuss the general behavior of solution...

### Chemistry

1) Using a table of standard electrode potentials (such as the one in your textbook), calculate the standard cell potential for a cell made by placing a zinc electrode in a Zn2+(aq) solution which is connected by an electrolyte to a Ag+(aq) solution containing a silver ...

### Pre-Algebra Calculus

NEED HELP PLEASE Mixture Problems 1.Joe created a metal containing 40% platinum by combining two other metals. One of these other metals weighed 12 lb. and contained 45% platinum. If the other weighed 3 lb. then what percent of it was platinum? 2. 12 gal. of a saline solution ...

### Chemistry

A solution is made by dissolving 0.500 mol of HF in enough water to make 1.00 L of solution. At 21 C, the osmotic pressure of the solution is 1.35 atm. What is the percent ionization of this acid? This is what i did.. is it correct? (1.35 atm) = (2)(M)(0.08206)(294 K) M = 0....

### science chemistry

1000g of a 55%(mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution.how many liters of water should be added to the starting solution?

### science chemistry

1000g of a 55%(mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution.how many liters of water should be added to the starting solution?

### math

clearly define variables. set up the equations.How many gallons of a 30% alcohol solution must be mixed with 60 gallons of a 14% solution to obtain a solution that is 20% alcohol? x represents? y represents? equation 1? equation 2?

### algebra

How much of a solution that is 45% sulfuric acid needs to be mixed with a solution that is 90% sulfuric acid to produce 120 liters of a solution that is 60% sulfuric acid?

### (Math) PLZ CHECK ANSWERS

1. Which number is a solution of the inequality? 10.6<b A)-18 B)-9 C)7 D)14*** 2. Which number is a solution of the inequality? y+2>8 A)-5 B)-6 C)6 D)7*** 3. Which number is a solution of the inequality? 6>z(10-z) A)0 B)1 C)2 D)3*** 4. What are all the subsets of the ...

### algebra

How much of a solution that is 45% sulfuric acid needs to be mixed with a solution that is 90% sulfuric acid to produce 120 liters of a solution that is 60% sulfuric acid?

### PHYSICS!!

A person thought it would be a good idea to change a tire on the side of a hill. The tire has a width of W = 0.30 m and a radius of R = 0.40 m. The inside of the wheel is empty, but the wheel is solid from a radius of R/2 to R with uniform density. The density of the material ...

### Math help asap!!!

5(x – 9) = 5x no solution one solution infinite solutions –2(x – 1) = 2x – 2 infinite solutions one solution no solution

### chem

what are the normal freezing points and boiling points of the following solutions: a. 21.1g NaCl in 135mL of water b. 15.4g urea in 66.7 mL water?

### chem

what are the normal freezing points and boiling points of the following solutions: a. 21.1g NaCl in 135mL of water b. 15.4g urea in 66.7 mL water?

### chemistry

3 MgCl2(aq) + 2 Na3PO4(aq) ==> Mg3(PO4)2(s) + 6 NaCl(aq) How many milliliters of 0.0800 M Na3PO4(aq) will react with 0.060 mol of MgCl2(aq)?