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July 30, 2014

Search: A chemical solution contains 3% salt. How much salt is in 4.5 ml of solution

Number of results: 46,145

math
Solve the problem. If the answer is an amount of money, round to the nearest dollar. A chemical solution contains 3% salt. How much salt is in 4.5 ml of solution?
August 17, 2010 by Sarah

Chemistry
A- a water soluble salt forms a precipitant during Group 3 analysis. An acidic solution of this precipitant and NaBiO3 yields a pinkish color. This same salt has no reaction to concentrated H2SO4 or AgNO3, what is the chemical formula for this salt? B- a brown colored salt ...
April 2, 2012 by Mima

Chemistry
A- a water soluble salt forms a precipitant during Group 3 analysis. An acidic solution of this precipitant and NaBiO3 yields a pinkish color. This same salt has no reaction to concentrated H2SO4 or AgNO3, what is the chemical formula for this salt? B- a brown colored salt ...
April 3, 2012 by Mima

chemistry
a saturated solution of a salt X contains 0.28g of the salt in 100cm3 of solution at 25degree centigrate, what is the solubility of the salt X at this temperature (R.m.m of X=56)
March 14, 2012 by emma gegeluv

chemistry
a saturated solution of salt X contains 0.28g of the salt in 100cm3 of solution at 25degree centigrate, what is the solubility of the salt X at this temperature (R.m.m of X=56)
March 14, 2012 by emma gegeluv

IR chemistry - instrumental anaylsis
my last instrumental analysis lab was basically about becoming familiar with using an IR spectrometer. I used a salt solution with a sodium chloride salt plate although it was not stated in the procedure to do so. the IR spectra seems to have come out fine however I'm not sure...
October 7, 2013 by Instrumental

algerba..plz help
A 400 g solution is 25% salt. How much salt must be added to produce a solution that is 40% salt?
December 7, 2010 by abc

algebra
A 400 g solution is 25% salt. How much salt must be added to produce a solution that is 40% salt?
December 2, 2010 by omar

algebra
A 400 g solution is 25% salt. How much salt must be added to produce a solution that is 40% salt?
December 2, 2010 by omar

math
You are a lab technician and must create 250 ml of a 17% salt solution. You have available three stock solutions. You have a one liter container of a 5% salt, a 500 ml container of a 28% salt solution, and a 400 ml container of a 40% salt solution. Show the work necessary to ...
February 15, 2012 by Fatih

Calc
You are a lab technician and must create 250 ml of a 17% salt solution. You have available three stock solutions. You have a one liter container of a 5% salt, a 500 ml container of a 28% salt solution, and a 400 ml container of a 40% salt solution. Show the work necessary to ...
February 16, 2012 by Fatih

CHEM
A metal, M, of atomic mass 91 amu reacts with fluorine to form a salt that can be represented as MFx. In order to determine x and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.05-g sample of the salt is dissolved in 100.0 g of water ...
July 8, 2012 by John

Chemistry
a solution weighs 44grams. this sample contains 12grams of salt calculate % m/m salt.
April 13, 2010 by Jazmin

chemistry
a salt solution is evaporated to dryness. If 25.7 g of the solution leaves 1,949 mg of dry salt, what is the percent concentration (w/w) of the salt in the solution
April 29, 2012 by Randy

Chemistry
A salt solution is evaporated to dryness. If 66.5 g of the solution leaves 1,492 mg of dry salt, what is the percent concentration (w/w) of the salt in the solution?
May 6, 2013 by Marsha

Chemistry
You are a lab technician and must create 250 ml of a 17% salt solution. You have available three stock solutions. You have a one liter container of a 5% salt, a 500 ml container of a 28% salt solution, and a 400 ml container of a 40% salt solution. Discuss and explain the ...
March 5, 2012 by Fatih

Chemistry 1046
A metal, M, of atomic mass 91 amu reacts with fluorine to form a salt that can be represented as MFx. In order to determine x and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.05-g sample of the salt is dissolved in 100.0 g of water ...
July 3, 2012 by Anonymous

math
You are a lab technician and must create 250 ml of a 17% salt-solution. a. If you have 500 ml of 28% salt-solution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% salt-solution? b. If you have 400 ml of 40% salt-solution, how many ...
February 15, 2012 by Fatih

Calc
You are a lab technician and must create 250 ml of a 17% salt-solution. a. If you have 500 ml of 28% salt-solution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% salt-solution? b. If you have 400 ml of 40% salt-solution, how many ...
February 16, 2012 by Fatih

Math
A 9 percent salt-water solution is mixed with 4 ounces of an 18 percent salt-water solution in order to obtain a 15 percent salt-water solution. How much of the first solution should be used?
September 1, 2010 by Jeanne

Chemistry
A solution of acetic acid having a concentration of about 0.2M is to be titrated using 0.200M NaOH. Select an indicator for the titration. what salt will the solution contain at the equivalence point? what is the approximate concentration of this salt at the equivalence point...
May 15, 2010 by Alison

chemistry
A solution is prepared by dissolving 10.00g of a monobasic salt in a total volume of 1.00litres. Th pH of this solution was measured at 13.07 and a conductivity experiment determined that this salt was completely ionized in solution. What is the molecular weight of this ...
March 23, 2009 by tomi

chemistry
A solution is prepared by dissolving 10.00g of a monobasic salt in a total volume of 1.00litres. Th pH of this solution was measured at 13.07 and a conductivity experiment determined that this salt was completely ionized in solution. What is the molecular weight of this ...
March 23, 2009 by tomi

AP CHEMISTRY
An unknown salt is either KBr, NH4Cl, KCN, or K2CO3. If a 0.100 M solution of the salt is neutral, what is the identity of the salt?
February 16, 2012 by MARY

chemistry......plz help
A solution is prepared by dissolving 10.00g of a monobasic salt in a total volume of 1.00litres. Th pH of this solution was measured at 13.07 and a conductivity experiment determined that this salt was completely ionized in solution. What is the molecular weight of this ...
March 24, 2009 by tomi

Chemistry
How might one separate a mixture of water and salt? A solution of water and salt may be separated, if you don't want the water, by allowing the water to evaporate which will leave the salt crystals behind. If you want the water AND the salt, you may separate them by ...
September 9, 2006 by Dave

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?
October 18, 2009 by Trisan

College Algebra
Please, I need your help!How much water must be evaporated from 16oz of a 2% salt solution to make a 4% salt solution?
March 17, 2014 by Cassandra

chemistry
A solution is prepared by dissolving 10.00 grams of a monobasic salt in a total volume of 1.00 litres. The pH of this solution was measured at 13.07 and a conductivity experiment determined that this salt was completely ionized in solution. What is the molecular weight of this...
January 29, 2014 by Temmi

math
a 9 percent salt water solution is mixed with 4 oz. of an 18 percent salt water solution in order to obtain a 15 percent salt water solution. how much of the first should be used?
September 2, 2010 by Bob

science
which of the following is the best reason salt is sometimes spread on icy highways? 1) when a car drives on the ice, the firstion created between the salt and the ice produces heat that melts the ice. 2)when salt chemically reacts with the water, the heat produced melts the ...
May 12, 2010 by kayci

Chemistry
Is dissolving salt in water an example of reversible? I don't think so because once salt is in water, the water is not clear anymore. Pls help. thanks. Yes, it is reversible. One ca physically separate the salt and water (evaporation) What do you mean by not clear? When salt ...
February 14, 2007 by Linda

Chemistry
A compound is known to be a cesium halide, CsX. If 3.00 grams of the salt is dissolved in exactly 100.0 grams of water, the solution freezes at -0.735C. What is the chemical formula for the salt?
February 20, 2014 by Susy, PLEASE HELP

chemistry
A saturated solution is prepared by dissolving 3.2 g of a salt in 9.10 g of water to yield a saturated solution. What is the solubility of the salt (in g salt/100g of H2O)?
March 18, 2012 by Riley

Differential Equations
A tank originally contains 5 lb of salt dissolved in 200 gal of water: Starting at time t=0, a salt solution containing 0.10 lb/gal is to be pumped into the tank at a constant rate and the well-stirred mixture is to flow out of the tank at the same rate. a)The pumping is to be...
September 17, 2012 by Joe

Chemistry
You need 3.0-L of 0.13 M salt solution. All you can find is 0.40 M salt solution. How much of that solution will you need in order to make your desired solution (in liters)?
February 16, 2011 by billy

math
A 9 percent salt-water solution is mixed with 4 ounces of an 18 percent salt-water solution in order to obtain a 15 percent salt-water solution. How much of the first solution should be used? 1 ounce 2 ounces 3 ounces 4 ounces Explain your answer.
August 31, 2010 by M.A.

Chemistry
You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the Henderson-Hasselbalck equation to ...
February 13, 2013 by Lacy

Chemistry
You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the Henderson-Hasselbalck equation to ...
February 13, 2013 by Lacy

Chemistry
Is the following a physical or chemical separations: salt water --> water+ sodium chloride Do you change the composition of the water? Do you change the composition of the salt. I can't say which because you don't tell me how you separated them. For example, if I ...
September 9, 2006 by George

science
Table salt has a solubility of 36 g of salt in 100 g of water at 40C. If 15 g of the salt are added to 50 g of water at the same temperature, is the resulting solution saturated or unsaturated? Explain your answer.
April 11, 2011 by David

Science
Table salt has a solubility of 36 g of salt in 100 g of water at 40C. If 15 g of the salt are added to 50 g of water at the same temperature, is the resulting solution saturated or unsaturated? Explain your answer
May 11, 2012 by Andrew

Chemistry
A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18- sample of the salt is dissolved in 100.0 of water and the ...
February 20, 2011 by Robin

Chemistry
A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18- sample of the salt is dissolved in 100.0 of water and the ...
February 20, 2011 by Robin

ap chem
A certain volume of a .50 M solution contains 4.5g of a certain salt. What mass of the salt is present in the same volume of a 2.5 M solution? Indicate the concentration of each ion/molecule: A mixture of 50.0 mL of .2M KClO3 and 25.0 mL of a .20M Na2SO4. How would you answer ...
September 13, 2007 by lily

math
Tank 1 initial contains 70 L (liters) of water and 450 g of salt, while tank 2 initially contains 20 L of water and 200 g of salt. Water containing 10 g/L of salt is poured into tank1 at a rate of 1 L/min while the mixture flowing into tank 2 contains a salt concentration of ...
February 6, 2009 by alice

math
You have an aquarium for your new pet, Shamu the killer whale, that contains 100,000 pounds of ocean water with a salinity of 30 o/oo. a. Calculate how many pounds of salt are currently in the aquarium. b. You think Shamu may be allergic to salt, so you decide to decrease ...
August 21, 2012 by amanda

Chemisty
A certain salt is known to have a solubility in water of 25.2g/100g water at 100C and 11.4g/100g water at 20C. The salt is dissolved in 240 g of water at 100C until no more solid will dissolve. How much salt will crystallize out when the solution is cooled to 20C?
January 19, 2012 by love

chemistry
silver sulphate is a sparingly soluble salt.2.5litres of saturated solution of this salt contains 14.25g. Calculate the molar solubility of silver sulphate
April 6, 2012 by victor1

chemistry
Silver sulphate is a sparingly soluble salt.2.5litres of saturated solution of this salt contains 14.25g. Calculate the molar solubility of silver sulphate.
April 6, 2012 by musuma

Math
How many gallons of a 13%-salt solution must be mixed with 6 gallons of a 22%-salt solution to obtain a 16%-salt solution?
February 18, 2013 by Anonymous

help!!!!!
1. A sample of air was found to contain 21% oxygen by volume. how many ml of oxygen are present in 2.0 L of air? 2. A 25.0g solution containing salt and water is 2.2% salt by mass. what is the mass (in g) of salt in the solution? please show me how to solve :)
September 13, 2011 by Anonymous

Chemistry
A compound is known to be a cesium halide, CsX. If 3.00 grams of the salt is dissolved in exactly 100.0 grams of water, the solution freezes at -0.735C. What is the chemical formula for the salt? i know it would be -0.735= -1.86 * m m= 3g/ X g/mol/kg solvent however the ...
February 20, 2014 by Susy

chemistry
A pan full of hot salt water, NaCl(aq), is cooled and NaCl(s) precipitates. Explain why this happens. Chloride ions are more strongly attracted to the metal in the pan than the sodium ions at low temperatures. As the vapor pressure of the solution decreases the solubility of ...
February 21, 2012 by krystal

Chemistry
In regards to atomic emission spectroscopy: Explain why the intensity of the color gets brighter when the metal salt concentration is higher. Salt is any ionic compound that has positive ions(called cations) and their associated negative ions (called anions). For example, ...
January 12, 2008 by chrisalis

science
Marianne poured salt crystals into water to form a solution.In the solution, which best decribes the salt.
December 3, 2009 by Christopher

algebra
How many kilograms of water must be evaporated from 10kg of an 8% salt solution to produce a 25% salt solution
May 24, 2010 by TinaG

algebra
How many kilograms of water must be evaporated from 10kg of an 8% salt solution to produce a 25% salt solution
May 24, 2010 by TinaG

chemistry
What is the molarity of a salt solution in which 117.0 grams of salt (NaCl) is dissolved in water to give 5.00 L of solution? Show all work including units.
August 23, 2011 by len

Chemistry - please this is urgent
To a calorimeter containing 41.80g of water at 29.95oC, 11.7999 of a salt was added with stirring. As the salt dissolved, the temperature rapidly changed to 37.85oC before slowly returning to room temperature. 1. Calculate the Heat of Solution. Given that the Heat of Formation...
March 14, 2008 by girl who needs help in chemistry right now

chemistry
need help with these problems: The concentration of glucose in blood is usually about 0.10% (w/v). If 7.0 L of blood are in an average man, how many grams of glucose are in his blood? To obtain the solute for 118 g of a 19.2% (w/w) solution of sugar we would weigh out ________...
July 20, 2010 by ellen

chemistry
What is the molarity of a salt water solution containing 8moles of salt in 2 L of solution?
December 27, 2011 by brenda

***chemistry
The Morton Salt Compant instroduced a logo and slogan for advertising its salt in 1911. This is one of the oldest and most successful ad campaigns ever, but what does it mean and where and why did they come up with it? (describe the chemical basis for it)
November 3, 2010 by samantha

Science
Ricco mixed up 500 cc of salt solution. He weighed it and found it's mass to be 585 g. Will his shake up toy work the way he wants it to if he uses this salt solution? Why or why not? Remember, 1 ml= 1 cc show your math
March 25, 2014 by Mia

Physics
How could the index of refraction of salt water be used to find the concentration of a salt solution?
February 15, 2011 by Amy

Chemistry
How many kg. of salt needed to be dissolve in 3 liters of water to prepare 80 percent salt solution?
August 1, 2011 by Ivyl

Chem
Consider a salt of the composition, A2B3. For this salt, pKsp=82.55. What is the logarithm of the molar concentrtion of this salt? I'm really at a loss of where to begin. We didn't have any examples like this in class. Thanks!
February 27, 2008 by Barbie

chemistry
determine the solubility product of the slightly soluble salt calcium oxalate,cac2o4 by titrating 200cm^3 sample of a suturated solution of this salt with 0.00135mol dm^3 HCl solution.calculate Ksp?
August 6, 2012 by promise

College Chemistry
please help! You are given an unknown, colorless, solution that may contain only one salt from the following set: NaA, NaB, NaC. In solution each salt dissociates completely into the Na+ ion and the anion A-, B-, or C-, whose properties are A is green, B is yellow, and C is ...
November 10, 2010 by Marcus

science
Erin must perform a science experiment. She needs to dissolve 10 g of salt in 250 ml of water. She measures the water incorrectly and dissolves the 10 g of salt in 350 ml of water. Now she has no more salt. Explain what Erin can do to make the solution accurate.
April 29, 2008 by astrid

chemistry
If a mass of 3.9g of the salt dissolved in 100g of water produces a solution that freezes at -1.40 degrees celsius , then what is the formula of this salt?
May 7, 2012 by Anonymous

chemistry
What would be the best technique to separate a soluble solid from a solution, like separating salt from a mixture of salt water?
April 17, 2011 by Ashley

chemistry
What would be the best technique to separate a soluble solid from a solution, like separating salt from a mixture of salt water?
August 19, 2011 by Anonymous

chemistry
Sodium flouride, NaF, is a basic salt. Write the chemical equation that describes how the salt breaks up into its ions. Write the chemical equation that describes how one of the ions behaves as a base in water to produce OH-.
June 27, 2010 by John

Chemistry
a freshmann is currently enjoying the arts studio program she is pursuing at a well know university. In her free time she likes to skate,take salsa dance lessons, and cook. She particularly enjoys and decides to pickle olives to the rescipe, she needs to add 3 teaspoons of ...
August 15, 2011 by ROCKY

fractions
a recipe calls for 1/4 teaspoon of salt. to make three times the amount how much salt is needed?
September 24, 2013 by b

Chemistry
Calculate the mass of ammonia salt that would remain if the solution were evaporated to dryness. When sulfuric acid reacts with ammonia solution an ammonium salt is produced.
June 6, 2012 by Jeconiah

Chemistry
Calculate the mass of ammonia salt that would remain if the solution were evaporated to dryness. When sulfuric acid reacts with ammonia solution an ammonium salt is produced.
June 6, 2012 by Jeconiah

Chemistry
Calculate the mass of ammonia salt that would remain if the solution were evaporated to dryness. When sulfuric acid reacts with ammonia solution an ammonium salt is produced. 2.5M * 0.025L/2=x/132 =4.125g
June 6, 2012 by Jeconiah

chemistry
If a hydrated salt is overheated and the anhydrous salt thermally decomposes, one product being a gas, how will it affect the percent of water in the hydrated salt? explain.
October 11, 2010 by Anonymous

Math
Nia and Trey both had a sore throat so their mom told them o gargle with warm salt water. -Nia mixed 12 teaspoon salt with 3 cups of water. -Trey mixed 12 teaspoons salt with 112 cups of water. Nia tasted Trey's salt water.She said," I added more salt so I expected that mine ...
September 3, 2013 by Jessica

Science
road salt has been dropped on grass. keep osmosis in mind, what would happen? answer: since the road salt is hypertonic solution and therefore the water in the grass would diffuse into the road salt thus causing the grass to die. Is this right? What should I add?
September 23, 2008 by Lena

Biology
A cell has a salt concentration of 0.2 %. If it is placed into a solution with a salt concentration of 0.1 %. a) What change will occur to the salt concentration inside the cell? b)What change will occur to the water concentration inside the cell? c)What condition will ...
October 18, 2010 by Emily

Social Studies - - Gandhi
So, I'm supposed to describe the Salt March, and the Salt Works. I know that one is when Gandhi led a march to the ocean, to protest tax on salt, by evaporating salt water and making their own. The other was when Gandhi's followers lined up and allowed themselves to be beaten ...
November 26, 2007 by Eve

last question sci. :)
road salt has been dropped on grass. keep osmosis in mind, what would happen? answer: since the road salt is hypertonic solution and therefore the water in the grass would diffuse into the road salt thus causing the grass to die. Is this right? What should I add?
September 23, 2008 by Lena

Science
Salim added 1 g of salt to each of four beakers filled with water. He stirred the water at different speeds, and recorded how long it took for the salt to dissolved. Stirring Time (sec) No stirring 25 Slow stirring 18 Medium stirring 10 Fast stirring 6 Which conclusion should ...
October 25, 2011 by Mary

Science
Salim added 1 g of salt to each of four beakers filled with water. He stirred the water at different speeds, and recorded how long it took for the salt to dissolved. Stirring - Time (sec) No stirring - 25 Slow stirring - 18 Medium stirring - 10 Fast stirring - 6 Which ...
October 26, 2011 by Mary Helpppppp

chemistry
What would be the best technique to separate a soluble solid from a solution, like separating salt from a mixture of salt water? filtration chromatography electrolysis evaporation
July 23, 2011 by Anonymous

Science
David has to dissolve salt crystals in the water. What would be the best thing to do to help the crystals dissolve quickly? A)heat the salt crystals B)crush the salt crystals C)cool the water in the tank D)use the largest salt crystals
October 25, 2011 by Sally

Science 6TH Grade
Salim added 1 g of salt to each of four beakers filled with water. He stirred the water at different speeds, and recorded how long it took for the salt to dissolved. Stirring - Time (sec) No stirring - 25 Slow stirring - 18 Medium stirring - 10 Fast stirring - 6 Which ...
October 26, 2011 by Mary PLEASEEEEE

chemistry
Freshman in clooege decides to try her hand at pickling olives. According to the recipe, she needs to add 3 tsps. of salt to 1 cup diced olives. She erroneously adds 6 tsps instead. Each tsp weighs about 5g and contains 2300 mg of sodium. Determine the amount of sodium added ...
January 26, 2012 by Sara

Science
If I want to make a solution that has a 5% concentration of salt, is it correct for me to have 380mL water and 20g salt? My method behind this was that I wanted a 400g solution, and so since 1mL water is equal to 1g water, I did: 400x0.95=380g water or 380mL water and 400x0.05...
February 6, 2011 by Anonymous

chemistry (drbob222)
[Ni(NH3)m(H2O)p]^2+ + mHCl ->mCl- + pH2O + Ni^2+ + mNH4^+ excess HCl + OH- -> H2O A .185 g sample of nickel salt was dissolved in 30.00 mL of 0.1013 N HCl. The excess HCl required 6.30 mL of 0.1262 N NaOH to reach the end point. Calculate the weight of the salt that ...
October 4, 2009 by Anonymous

Biology
Please Explain thoroughly. A cell exists in a solution of 10% salt and has an internal concentration of 90% salt. Draw this scenario. Label its tonicity. Show where water would flow.
March 6, 2014 by Drake

SCIENCE 1 QUESTION PLS HELP ASAP
Select three words that belong together. To do this pick one word from each of the three sets below: Set 1: Estuary, Lake, Neritic Zone Set 2: High Salt, Intermediate Salt, No Salt Set 3: Trout, coral, oyster Answer choices: A) Neritic zone, intermediate salt, oyster B) Lake, ...
January 18, 2014 by TTR+S<3

General Chemistry
A freshman is currently enjoying the Arts Studio program she is pursing at a well-know university. In her free time, she like to skate, take salsa dance lessons, and cook. She particularly enjoys pickling and decides to pickle olives over a lesisurely weekend. Accordng to the ...
August 31, 2012 by Kameesha

Chemistry
A freshman is currently enjoying the Arts Studio program she is pursuing at a well-known university. In her free time, she likes to skate, take salsa dance lessons, and cook. She particularly enjoys pickling and decides to pickle olives over a leisurely weekend. According to ...
June 16, 2011 by mema

Chemistry
A freshman is currently enjoying the Arts Studio program she is pursuing at a well-known university. In her free time, she likes to skate, take salsa dance lessons, and cook. She particularly enjoys pickling and decides to pickle olives over a leisurely weekend. According to ...
June 19, 2011 by mema

chemistry
A freshman is currently enjoying the Arts Studio program she is pursuing at a well-known university. In her free time, she likes to skate, take salsa dance lessons, and cook. She particularly enjoys pickling and decides to pickle olives over a leisurely weekend. According to ...
December 14, 2012 by zachary

APC Chemistry
Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify both Fe2+ and Fe3+ in this solution?
September 29, 2010 by Anonymous

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