a density of 1.0 M solution of NaCL

29,400 results, page 63

chem

what is a liquid solution and a gaseous solution? [define plz] liquid solution: sea water gas solution: air i don't need examples. i need definitions. they are not in my book. a liquid solution is a mixture of atoms/ions/chemicals, etc. dissolved in water. For example sea ...

HARD chemistry

A solution of ferrous sulfate (FeSO4) is titrated with a solution of potassium permanganate in sulfuric acid. The balanced half reactions are as follows: 10FeSO4 + 5 H2SO4 --> 5 Fe2(SO4)3 + 10 H ^+ +10e^- and 2 KMnO4 + # H2SO4 +10e^- --> 2 MnO4 + K2SO4 + 8 H2O. The gram-...

Chemistry

What are the Oxidation and Reducation reactions for these equations : BaCl2 + NaHCO3 -> BaCO3 + NaCl + HCl (carbon is the reduction reaction, but I don't know what the oxidation reaction is) CaCO3 + HCl -> CaCl2 + CO2 + H2O

Solar Energy please help

Greeting All, please assist with the below. Thanks. The spectral power density of a solar simulator is given by: P(λ)=7.5∗1015λ−2.25∗109 [Wm^-2m^-1] for 300nm<λ<500nm P(λ)=2.25∗109−1.5∗1015λ [Wm^-2m^-1] for 500nm<...

physics

A utube manometer contains mercury of density 13,600 kg/m3. One end of the manometer is open to the atmosphere and the other end is connected to a low pressure natural gas line. A height difference of 11.8 cm results between the levels of the two liquid columns, with the side ...

chemistry help!

I have a chemistry test tomorrow and I'm trying to study but none of these questions in the book make sense to me:( Help! 1. Commericially available concentrated sulfuric acid is 95% H2SO4 by mass and has a density of 1.84g/mL. How many milliliters of this acid are needed to ...

Chemistry

One mole of each of the following compounds is added to water in separate flasks to make 1.0 L of solution. Which solution has the largest total ion concentration? a. aluminum hydroxide b. silver chloride c. sodium chloride d. calcium carbonate e. potassium phosphate I just ...

Science

You mix oil and vinegar for a salad dressing. After a few minutes, the oil has separated and is floating. Infer which has the greater density - oil or vinegar. Explain. I put "Vinegar has more density since it's on the bottom, where the oil has less since it separated and ...

Math

1. y=3x-7 y=-x+1 A. One Solution*** B. Infinitely Many C. No Solution 2. x+3y=12 x=y-8 A. One Solution B. Infinitely Many*** C. No Solution 3. x+y=5 x+y=-2 A. One Solution B. Infinitely Many*** C. No Solution

chemistry

The titration of HCl with NaOH is represented by the equation HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) What volume of 0.100 M HCl is required to titrate 50.0 mL of 0.500 M NaOH?

Chemistry

Sample A: Solid appearance:crystals, solids, white Solid Conductivity:no Solubility: soluble Solution appearance:substance disappears slowly Solution Conductivity: yes Relative melting point:2nd Sample B: Solid appearance:brown, tiny solids, dirt appearance Solid Conductivity...

Math

Mass of cylinder 1 = 1.35 mass of cylinder 2. Volume of cylinder 1 = 0.792 volume of cylinder 2. Density of cylinder 1 = 2.10 g/cc. What id density of cylinder 2?

Chemistry

Prepare 45.00ml of 0.125M gold III chloride solution, given 500.00ml of a 0.500M gold III chloride solution. Explain how you will prepare the solution

physics

A prospector finds a solid rock composed of granite ( = 2650 kg/m3) and gold. The volume of the rock is 3.05 10-4 m3 and its mass is 3.57 kg. What mass of gold is contained in the rock? I thought that I could used some ratio, but I have no idea how. Our teacher hasn't even ...

Maths

Test the solution of an equation: Prove that x=5 is a solution of the equation: 3x-3=2x+2 LHS= RHS= LHS=RHS,ie x=5 is the solution.

Chemistry

To illustrate the calculation, assume that 21.95 mL of a thiosulfate solution is required to reduce the iodine liberated by 20.85 mL of 0.0200M KIO3 and that 18.63 mL of the same thiosulfate solution reacts with the iodine replaced by 20.00 mL of an unknown solution of sodium ...

Chemistry

A solution is made by mixing 30.0 mL of ethanol, C2H6O, and 70.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? I got an answer of 15.45 torr and it marked me incorrect and said "Your answer is the the partial vapor pressure ...

Chemistry

An EDTA solution is standardised against high-purity CaCO3 by dissolving 0.4835 g CaCO3 in HCl, adjusting the pH to 10 with ammoniacal buffer and titrated with an EDTA solution. If 35.18ml were required for the titration, what was the molarity of the EDTA solution? Step 1. ...

chemistry

How many grams of O_2(g) are needed to react completely with 3.95 g of H_2(g) according to the following balanced chemical equation: 2H_2(g) + O_2(g)--> 2H_2_O(g) Molarity (M) is the number of moles of a solute per 1 L of solution--> M= (mol solute)/(L solution). How ...

Chemistry

A volume of 25.0 mL of 8.0 M acetic acid is diluted with sufficient water to prepare 1.00 liter of solution. What is the concentration of the diluted solution?

Algebra 2

How much wat must be evaporated from a 65-gallon tank of 40% salt solution in order to obtain an 80% salt solution?

CHEMISTRY

TO WAT VOLUME SHOULD YOU DILUTE 130ML OF AN 8.40 M CUCL2 SOLUTION SO THAT 65.0ML OF THE DILUTED SOLUTION CONTAINS 5.9 G CUCL2?

Chemistry

You have a stock solution of 15.0 M NH3 . How many milliliters of this solution should you dilute to make 1200ml of 0.280 M NH3 ?

science

Marianne poured salt crystals into water to form a solution.In the solution, which best decribes the salt.

chemistry

A 60.0-g sample of NaOH is dissolved in water, and the solution is diluted to give a final volume of 1.50 L. The molarity of the final solution is ?

Chemistry

1)How many mL of H2O2 are in 969 mL in solution ? * Given: 5.0% of H2O2 by volume. 2)What is the mole fraction of the solute in a 1.35m solution of CaCl2?

science

If solid copper sulfate is mixed with water, what is formed? A mixture, a solvent, a solution or both a mixture and a solution?

pharmacy math

the iv dose of mannitol is 1.5g/kg, administered as 15% solution. how many mls of the solution should be administered to a 150 pound patient.

chemistry

What are the concentrations of all the solute species in a 1.2 M solution of acetic acid, HC2H3O2? (a) [H3O+], M; (b) [OH-], M; (c) [CH3COOH], M; (d) What is the pH of the solution? For CH3COOH, Ka = 1.8 x 10-5

Chemistry

If 17.0 g of sodium chloride are dissolved in water to make 0.5 L of solution, then what is the final concentration of the solution? Answer 0.6 mol L I don't get this. I know that 1 mol / 22.4 L

chemistry

What volume for 1.5M KCl solution must be used to prepare 500. mL of a .550 M KCl solution? I need the set up

chemistry

To what volume should you dilute 48mL of a 13M stock HNO3 solution to obtain a 0.122 HNO3 solution?

chemistry

how much water (in mL's) needs to be added to 330 mL's of a 3.33 molar solution of lithium bromide to make the solution 1.44 molar

science

when lithium hydroxide pellets are added to a solution of sulfuric acid, lithium sulfate solution and water are formed

lab

show me how to answer a question like this A chemical solution contains 40% grain. How much grain is in 35.5ml of a solution

Chemistry

12.5 g of KCl (MM = 74.55 g/mol) is dissolved in enough water to make 675 mL of solution. Calculate the molarity of the KCl solution.

arif

when I tried to find solution of 1/(x-3) + 1/(x-9) = 1/(x-2) + 1/ (x-8) all terms of x are cancelled out why? Is there any rule to find solution of this?plz guide me.

chemistry

The pH of a solution is 6.0. Explain how the addition of the following substance would alter (or not alter) the pH of the solution. a. HCl b. NaOH c. H20

Chemistry

How many mL of a 10.0% by volume stock solution of HCl must be diluted with enough water to make 300.mL of a 1.5% by volume solution?

Chemistry

The intravenous dosage of mannitol is 1.5g/kg, administered as a 15% mv solution. How many ml of the solution should be administered to a person with a body mass of 85kg?

Chemistry

If a 25.0 mL sample of 0.500 M HCl solution were diluted 125-fold, what would be the volume and concentration of the diluted solution?

Maths

Find the particular solution of the differential equation from: dy/dx = 2/27(x-3)ã(x^2-6x+23) / (y) (y>0. For which y=2 when x =1, and then give this particular solution in explicit form. regards Claire

chemistry

A saline solution was prepared by dissolving 5.45 g sodium chloride to 96.77 g water. What is the concentration in weight percent for this saline solution?

Chemistry

Use the Henderson-Hasselbalch equation to calculate the pH of each solution: a solution that contains 1.05% C2H5NH2 by mass and 1.10% C2H5NH2Br by mass

Chemistry

You have a stock solution of 15.8 M NH3 . How many milliliters of this solution should you dilute to make 1350 mL of 0.300 M NH3

chemistry

A 5.00 % m/m glucose solution has d = 1.02 g/mL. What is the mass of glucose in 375 mL of the solution? Enter only the numeric value for your answer (no units).

chemistry

If 5 g of solid sodium hydroxide is dissolved in 100 mL of water, what is the molarity of the solution in moles of NaOH/L of solution (moles/L)?

chemistry

It takes 75 mL of 0.124 M KOH to neutralize 28.5 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in moles/liter.

Chemistry

What is the molarity of H2SO4 in a solution prepared by adding 15.0 mL of 6.0 Molarity H2S04 to enough water to make 100.0 mL of solution?

chemistry

Have 250 mL of a 0.80 M solution of silver nitrate AgNO3 dissolved in water. how many grams of AgNO3 does the solution contain

Chemistry

A solution is prepared by dissolving NH3(g) in water according to the following equation. NH3(g) + H2O(l)=NH4^+(aq)+ OH^-(aq) If the pH= 9.60 what is the [OH-] in the solution.

chemistry

a gas solution contains 5 moles H2 and 10 moles of oxygen. what is the mole fraction of hydrogen and oxygenin the solution formed?

chemistry

An HNO3 solution has a pH of 3.04. What volume of 0.015 M LiOH will be required to titrate 89.0 mL of the HNO3 solution to reach the equivalence point?

Chemistry

Predict the products when a chemist mixes an aqueous sodium chloride solution with an aqueous calcium nitrate solution.

chemistry

a solution has gluten concentration of 2000ug/mL at 150uL. if 2uLof that solution is taken out what is the quantity of gluten in ppm?

Chemistry

Enough of a monoprotic acid is dissolved in water to produce a 0.0169 M solution. The pH of the resulting solution is 2.68. Calculate the Ka for the acid.

Chem 1

consider 400 mL of a0.266 M LiNO3 solution. To what volume must it be diluted to make a 0.075 M LiNO3 solution.

chemistry laboratory

1. prepare a buffer solution by using acetic acid and sodium acetate.2. prepare M/40 NAOH solution.

Chemistry

2S2O3 2- + I2 => S4o6 2- + 2I - If,in an experiment,0.05 mol S2O3 2- is consumed in 1.0L of solution each second,at what rates are S4O6 2- and I- produced in this solution?

chemistry

A 0.115-L sample of an unknown HNO3 solution required 31.1 mL of 0.100 M Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution?

chemistry

A solution of sodium cyanide NACN has a PH of 12.10. How many grams of NACN are in 425ml of solution with the same PH? Please helps me to solve it for me

Algebra 1

Use the multiplication property of inequalities to solve the inequality. Graph the solution set -1/9t≥2 The solution set is?

chemistry

how many grams of NaOH should be used to make 200 mL of a 0.24M solution of NaOH starting with a .4M HCL solution

chemistry

enough of a monoprotic acid is dissolved in water to produce a 0.0111M solution. The pH of the resulting solution is 2.62. Calculate the Ka for the acid.

Chemistry

What determines whether or not the majority of acid is in the protonated form in solution? How does this incorporate both the pH of the solution and the pka of the acid?

Chemistry105

What is the molarity of a solution made by diluting exactely 10.00 mL of a 0.1235 M solution of KNO3 to exactely 250 mL in a graduated flask?

calculus

solve the following exponential equation. 8^x=3 what is the exact answer? a. x= ? b. there is no solution what is the answer approximated to 3 decimal places? a. x= ? b. there is no solution

chemistry

A solution contains 0.02755 g of a protein in 25.0 mL of solution. The osmotic pressure is 3.22 torr at 298 K. What is the molecular weight of the protein?

science

Suppose you wanted to produce 1.17 L of a 3.41 M aqueous solution of H2SO4. How many grams of solute are needed to make this solution? (H2SO4)

Chemistry

A solution of hydrochloric acid (HCl) contains 22.5% hydrochloric by mass. What is the molality of this solution I'm not sure how to start this problem...

Chemistry

What type of reaction will occur when an aqueous solution of lithium chloride is mixed with an aqueous solution of ammonium sulfate?

Chemistry

Calculate the concentration of ions in the following saturated solutions. (a) [I −] in AgI solution with [Ag+] = 8.1 10-9 M (b) [Al3+] in Al(OH)3 solution with [OH −] = 1.8 10-9 M

Chemistry

Enough of a monoprotic acid is dissolved in water to produce a 0.0190 M solution. The pH of the resulting solution is 2.33. Calculate the Ka for the acid.

Chemistry

Na2SO4 solution is slowly added to a solution which contains .10 M Ba (2+) and .1 M Pb(2+). which of the following statements descrives the result of the addition of Na2SO4

Alg 1

Find the exact solution for each equaton. Find the approximate solution to the nearest tenth. 3 sq rt 3/sq rt 1 + sq rt 1 = x/sq rt 3 Please solve and explain. Thanks

science

0.63 gm of oxalic acid (COOH)2 2H20 are dissolved in 500 ml of solution. Calculate the molarity of the solution?

Chemistry

To what volume should you dilute 55mL mL of a 13M M stock HNO 3 solution to obtain a 0.140M M HNO 3 solution?

Chemistry

To what volume should you dilute 55mL mL of a 13M stock HNO 3 solution to obtain a 0.140M M HNO 3 solution?

chem

If a 30.00mL aliquot of a 0.15 M NH4Cl solution is added to 20.00mL of a 0.18 M NH4NO3 solution, what is the concentration of nitrate ion in the mixture?

Chemistry

A 0.110-L sample of an unknown HNO3 solution required 52.1 mL of 0.150 M Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution?

chemistry

5.00×10−3mol of HBr are dissolved in water to make 15.0L of solution. What is the concentration of hydroxide ions, [OH−], in this solution?

Chemistry 2

A solution of NaOH (aq) contains 8.2 grams of NaOH(s) per 100.0 mL of solution. Calcualte Ph and POH at 25 degrees celsiuis

help with math!!!!

Solve each system using substitution. Tell whether the system has one solution, infinitely many solutions, or no solution. 13. -x + y = -13 3x - 1 = 19 15. 1/3y= 7/3 x + 5/3 x - 3y = 5 17. 3x + y = -13 -2x + 5y = -54

SEATTLE

Determine the volume of base ml needed to prepare the following 500 ml of 0.18 % NaOH SOLUTION USING A 10.0 % NaOH SOLUTION

Science

A solution made up of 20ml of mythl alcohol and 50ml of water. What is the volume percent of ethyl alcohol in solution.

Chemistry

Household ammonia contains 0.85 g of NH3 in each 100. mL of solution. What is the molarity of the ammonia solution? (atomic masses: N = 14.01, H = 1.008)

Chemistry

What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3CO2H with 25.00 mL of 0.010 M CH3CO2Na? Assume the volumes of the solution are additive and that Ka = 1.8 x 10-5 for CH3CO2H. 4. How is this solved?

Chemistry

what is the molar concentration of h2so4 solution is 2.0ml of which is completely neutralized by 45.0ml of 0.115 mol/L NaOH solution?

chemistry

A 0.8743 g sample of KHP was titrated 42.45-mL of NaOH solution until the phenolphthalein endpoint. What is the molarity of the NaOH solution?

Chemistry

What is the pH of the resulting solution when 25.0mL of 0.100 HNO3(aq)are reacted with 20.0 mL NaOH(aq)? Is the resulting solution acidic or basic in nature?

Chemistry

In an acid-base neutralization reaction 25 mL of 0.4 M NaOH reacts with 50.00 mL of H2SO4 solution. Calculate the concentration of the H2SO4 solution?

Algebra 1

Solve each system using substitution. tell whether the system has one solution, infinitely many solutions, or no Solution. 1.) y=2x -1 2x +2y= 22

chemistry

An aqueous solution contains 64g of ethanol( C2H5OH) in 122 grams of solution. The mole fraction of ethanol is:

Chemistry

how would the presence of a white solid in a solution effect the solution's absorbance? it made its absorbance higher, but i'm not too sure why

Chemistry

1. What volume of nitric acid solution with mass fraction of 16% is required to make make 250ml solution with 0.2mole/l?

Algebra

Is(0,3) a solution to the equation y=x+3 A. Yes B. No*** Is (1,4) a solution to the equation y= -2x A. Yes*** B. No Look at the following points (4,0) (3,1) (6,3) (2,-4) Which are the solutions to y= x-4? Choose all the correct answers A.(6,3) B.(4,0)*** C.(3,-1) D.(2,-4)***

Math

how many solutions does the equation have 4x + 3=2(2x +9) 1 one solution 2 no solution 3 an infinite number of solutions 4 impossible to determine My answer 1

chemistry

You have a solution of 12.0 M HCl. You need 36.5 g of hydrochloric acid for a reaction in your chemistry lab. How many mL of solution must you use?

chemistry

The vapour pressure of pure water at 760 mm at 25 degree celcius. The vapour of solution containing 1m solution of glucose will be.

Physical Chemistry

A 1.00M sucrose solution freezes at -1.8 degree Celsius. What is the freezing point of 1.00M glucose solution?

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