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Solutions and Concentrations
Page 3
Questions (549)
1. A lab tech needs 1.00 L of 0.125 mol/L sulfuric acid solution for a quantitative analysis experiment. A commercial 5.00 mol/L
4 answers
asked by
AlphaPrimes
1,358 views
A 230.-mL sample of a 0.280 M CaCl2 solution is left on a hot plate overnight; the following morning, the solution is 1.10 M.
4 answers
asked by
Ashley
1,262 views
What is the pH of 1.0M Na2SO3 (aq)solution at 25C?
a) 3.40 b) 6.03 c) 10.60 d) 7.96 e) 10.40 How can I get ph from only the
4 answers
asked by
Mohamed
2,401 views
What volume of 16 M nitric acid must be diluted with distilled water to prepare 500.0 mL of 0.50 M HNO3?
3 answers
asked by
tiffany
3,160 views
Q1) A solution of ascorbic acid (C6H8O6, Formula mass = 176 g/mol) is made up by dissolving 80.5 g of ascorbic acid in 210 g of
4 answers
asked by
lyan
1,569 views
what is the osmolarity of 0.35M KBr? how to set it up.
4 answers
asked by
maria
2,276 views
Determine the chloride ion concentration in a solution containing 50.0 g MgCl2 dissolved in 1500 mL of solution.
a. 0.350 M b.
4 answers
asked by
princess
1,674 views
A chemical manufacturer wishes to fill an order for 700 gallons of a 24% acid solution. Solutions of 20% and 30% are in stock.
Ho
4 answers
asked by
Anonymous
1,413 views
describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question.
4 answers
asked by
Jana
1,334 views
You wish to prepare 100.0 mL of a 800.0 ppm w/v sodium (MW = 22.9897 g/mol) solution. How many grams of sodium dichromate
2 answers
asked by
Chase
1,013 views
what volume of 2.0 M NaCl is required to prepare 150 mL of 0.10 M NaCl?
3 answers
asked by
Rehimina
2,464 views
Aqueous ammonia is typically sold by chemical supply houses as the saturated solution, which has a concentration of 14.5mol/L.
3 answers
asked by
Shashi
1,134 views
The molarity of a solution prepared by dissolving 15.0 grams of NaCl in 100 mL water is 0.15 M.
True or False
4 answers
asked by
Anonymous
3,468 views
You have a stock solution of 14.4 M NH3. how many mililiters of this solution should you dilute to make 1050mL of .220 M NH3
answ
4 answers
asked by
Natalie
1,183 views
A 1.10g- sample contains only glucose and sucrose . When the sample is dissolved in water to a total solution volume of 25.0ML ,
7 answers
asked by
mm
3,361 views
You start with 2.5L of a KNO3 stock solution and wish to prepare 10.0 L of 1.5 M KNO3. What percentage (m/v) would the potassium
3 answers
asked by
sarah
826 views
What is the molarity of an HNO3 solution if 24.1mL of a 0.250M Ba(OH)2 solution is needed to titrate a 15.0mL sample of the
4 answers
asked by
Holly
2,415 views
A 27.00mL sample of an H2SO4 solution of unknown concentration is titrated with a 0.1422M KOH solution. A volume of 40.22mL of
3 answers
asked by
Luis
1,104 views
2. A researcher is often required to prepare solutions in the lab. Typically, a lab provides a concentrated solution. This
4 answers
asked by
TJ
1,161 views
2.00g of NaOH are dissolved in water to make 2.00L of solution. What is the concentration of hydronium ions, [H3O+], in this
4 answers
asked by
Anonymous
4,235 views
A solution is made by dissolving 26.9 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes
4 answers
asked by
Anonymous
1,342 views
What molarity of a NH4NO3 solution has a pH of 5.220? Kb for NH3 is 1.8 x 10^-5.
Choose one answer. a. 6.31x 10-6. b. 2.21 x 10-6
3 answers
asked by
AMI
2,345 views
how do i do this \?
a 4.0mg/dl standard solution is needed. To prepare 100ml of the working standard. How much stock standard of
4 answers
asked by
Dan_9
857 views
Unit 4A (Acids and Bases)
Coffee is a solution containing caffeine, acids, alkaloids, water, phenols, and many other chemicals.
7 answers
asked by
Question…
182 views
A chemist needs to make 750.0 mL of a M solution of sulfuric acid. Looking on the shelves, she finds a bottle of 10.0 M sulfuric
3 answers
asked by
joe
935 views
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
3 answers
asked by
Melanie
442 views
An unknown amount of water is mixed with
350 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is
3 answers
asked by
Anonymous
1,122 views
A reference solution is to be prepared with 5 PPM parabenzopyrene (molecular weight = 252). The quantity of parabenzopyrene
4 answers
asked by
rohit
950 views
find [H3O+] and [OH-]
1)a solution that is 5.8×10−2 M in [HBr] and 1.9×10−2M in [NO3]. 2)a solution that is 0.780% HNO3 by
3 answers
asked by
jv
581 views
A 50 mL sample of 8% (m/v) NaOH is diluted with water so that the final volume is 200 mL...what is the final concentration and
4 answers
asked by
Curlyqty
937 views
What volume, in millilitres, of distilled water must be added to 105 mL of 0.600 mol/L sulfuric acid solution in order to dilute
4 answers
asked by
Anonymous
755 views
A bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration
4 answers
asked by
Lawrence
1,043 views
The concentration of a 100 mL solution of 10 g of Cu(OH)2 is?
3 answers
asked anonymously
24 views
to prepare 50.0 g of 10% NaNo3 solution you will need how many grams of solute
4 answers
asked by
Emilee
537 views
1.5mL of a 0.05M solution of calcium chloride (CaCl2) was diluted with water to a volume of 10L. What was the concentration of
3 answers
asked by
Rav
732 views
How many ml of water must be added to 40.0 ml of 2.50 m koh to prepare a solution that is 0.212 m?
4 answers
asked by
Brian
1,203 views
Aqueous ammonia is commercially available at a concentration of 16.0 M.
Part A How much of the concentrated solution would you
3 answers
asked by
d
1,258 views
An analytical procedure requires a solution of chloride ions ,How many grams of CaCl2 must be disolved to make2.15L of 0.0520 M
5 answers
asked by
mathew
1,926 views
You have 120.0 mL of a 0.245 M solution of NaCl in an open beaker. After several days, you
test the solution and find that it now
4 answers
asked by
Anonymous
676 views
How much water must be added to 1 liter of a 5% saline to get a 2% saline solution
3 answers
asked by
Anonymous
1,481 views
Thimerosal is an organic compound (gram molecular mass = 404.8 g/mol) used to inhibit bacterial growth. A .100%solution of
3 answers
asked by
Tyler
613 views
how to prepare and calculate 10%,20% and 30% of phosphoric acid from the concentrated? Meaning that if 10% = 10%phosporic
4 answers
asked by
lala
1,047 views
At 25 degree celsius, what is the hyronium ion concentration in 0.100 M chloroacetate acid?
3 answers
asked by
redalyn daniela
1,193 views
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
6 answers
asked by
Sam
1,934 views
A solution of acetic acid is prepared in water by adding 11.1 g of sodium acetate to a volumetric flask and bringing the volume
4 answers
asked by
medina
1,542 views
Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar
3 answers
asked by
K
1,602 views
What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179 g/mL, should be used to make
4 answers
asked by
Stacy
3,407 views
How much water should be added to 1 liter of 0.12N HCl to prepare exactly 0.1N HCl?
3 answers
asked by
jc
721 views
Can anyone help??
What are the Concentrations of the various ionic species of a 0.1 M solution of lysine at pH4?
2 answers
asked by
Emily
638 views
While cleaning a toilet, 150 mL of disinfectant solution is poured into a toilet containing 750 mL of water. If the initial
1 answer
asked by
Robert
202 views
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Parent Categories (16)
Acids and Bases
Analytical Chemistry
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