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Concentration
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Questions (659)
What mass of water must be used to dissolve 20.0 grams of ethanol,C2H5OH,to prepare a 0.0500 molal solution of ethanol
1 answer
asked by
Yassah Kesselly
85 views
The concentration of a solution can be measured in moles per dm³. The number of moles in a solution can be found by multiplying
2 answers
asked anonymously
52 views
What is the approximate molar fraction of ethanol c2h5oh in an aqueous solution in which the ethanol concentration is 11.0
3 answers
asked by
Lacey
2,005 views
For the following mixture, determine the initial concentration of Fe^3+.
0.00250M Fe^3+ --- 8.00mL 0.00250M SCN^- --- 7.50mL
4 answers
asked by
L**
2,197 views
When 9.6 grams of NaBr are dissolved in enough water to create a 165-gram solution, what is the solution's concentration,
3 answers
asked by
gary lee
838 views
You need a 45% alcohol solution. On hand, you have a 225 mL of a 85% alcohol mixture. How much pure water will you need to add
2 answers
asked anonymously
59 views
if 10 litres of a solution of na2co3 contains 21.2g of na2co3, what is its strength?
4 answers
asked by
brock
751 views
to create a 0.25 M Potassium Chloride solution. Your mass is 5.00 grams of Potassium Chloride. How many liters of water is
4 answers
asked by
Daniel
2,981 views
2mL of a 10M solution of Compound A is taken and 48mL added. 1mL of this solution is then taken and dried to dryness before
4 answers
asked by
jake
813 views
what is the concentration of a solution made by mixing 22.0 g of salt with 200 mL of water? assume that the volume of the water
13 answers
asked by
Gina
2,956 views
The following volumes of 0.000300 M SCN are diluted to 15.00mL determine the concentration of SCN in each sample after dilution.
5 answers
asked by
Max
4,368 views
what concentration of Br- results when 831 mL of 0.747 M HBr is mixed with 611 mL of 0.561 M FeBr2
4 answers
asked by
squid
3,022 views
If you take a 15.0-mL portion of the stock solution and dilute it to a total volume of 0.700L , what will be the concentration
4 answers
asked by
meaghan
7,036 views
What is the finaly concentration of barium ions, Ba2+, in soulution with 100 ml of .1 M BaCl2 is mixed with 100ml of .05M H2SO4?
5 answers
asked by
corey
3,668 views
What is the concentration of a solution made by diluting 95 mL of 6.0 M HCl to a final volume of 750 mL
5 answers
asked by
Tish
6,332 views
You have a solution of 0.500 M NaCl. If you add an equal amount of water to this solution, doubling the volume, what is the
5 answers
asked by
Christina
4,099 views
A sulfuric acid solution that is 65.0% H2SO4 by mass has a density of 1.55 g/mL at 20°C. What is the mass of h2so4 per liter of
4 answers
asked by
Veronica
3,925 views
Determine the molar concentration of ethanol (C2H6O) in a wine that is 14% ethanol by mass. The density of this wine is 0.93
4 answers
asked by
Anonymous
4,040 views
Compound Z has a MW of 100. Your lab partner weighed 25 grams of compound Z and dissolved it in water to a final volume of 1
5 answers
asked by
Ty
2,024 views
How much concentrated solution would you take to prepare 2.80L of 0.475M HCl by mixing with water?
Hydrochloric acid is usually
5 answers
asked by
M J
8,436 views
What quantity of pure acid must be added to 600 mL of a 45% acid solution to produce a 50% acid solution?
4 answers
asked by
jem
1,827 views
Find the concentration of Cu+ in equilibrium with CuBr(s) and 0.10 M Br-.
5 answers
asked by
kelly
4,840 views
Express the concentration of a 2.0 M NaOH solution as a mass/volume percent.
Can you please explain how to get the answer?
5 answers
asked by
Ashleigh
1,828 views
If 0.10 mg Fe is diluted in a 50 mL flask, what is the concentration of the resulting solution? What volume of the resulting
4 answers
asked by
Lisa
811 views
A 5 mL sample of 50% (m/v) acetic acid (Hc2H3O2) solution is added to water to give a final volume of 25 mL....what is the final
5 answers
asked by
Curlyqty
1,983 views
A tank contains 2000 L of pure water. Brine that contains 15 g of salt per liter of water is pumped into the tank at a rate of
4 answers
asked by
Anonymous
2,288 views
4. Compound B is provided as a solution and has a specific gravity of 0.65 (Specific gravity is the weight in grams per mL of
4 answers
asked by
jenny
887 views
In the laboratory, a student adds 57.6 mL of water to 10.9 mL of a 0.755 M perchloric acid solution. What is the concentration
4 answers
asked by
Misha
610 views
arrange the following 0.10M solutions in order of increasing (H+).
NaBr NH4Cl LiCn
4 answers
asked by
wayne
1,561 views
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?
6 answers
asked by
Kim
2,955 views
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an
7 answers
asked by
Tom
2,418 views
What is the %w/w of a 500 mL solution of HCl that has a density of 1.169 g/mL and was made using 386 g of water?
I'm having a lot
5 answers
asked by
Jack
682 views
A solution of ethanol, C2H5OH, is prepared by dissolving 25.0 mL of ethanol in enough water to give a total volume of 250.0 mL.
4 answers
asked by
Adrian
2,865 views
what mass of a 15% (m/m) NaOH solution contains 125 grams NaOH?
4 answers
asked by
Anonymous
3,352 views
What will be the [Cl-] when equal volumes of 0.10MNaCl and 0.20MAlCl3 are combined?
A. 0.35M B. 0.15M C. 0.30M D. 0.70M
4 answers
asked by
sh
1,097 views
A solution contains 15 g of CaCl2 in a total volume of 190 mL. Express the concentration in terms of grams/liter, % w/v, molars,
4 answers
asked by
Alex
2,153 views
Which contains more solute particles a 0.10 M aqueous solution of methanol (CH3OH) or a 0.10 M aqueous solution of table salt
4 answers
asked by
Felix
3,737 views
the concentration of urea (MW=60.0g/mol) in a soltuion prepared by dissolving 16g of urea in 39g of H2O is ____ molal
4 answers
asked by
nat
4,668 views
A 25.0-g sample of sodium hydroxide is dissolved in 400.mL of water. What is the concentration of the solution?
4 answers
asked by
Mayra
1,547 views
a solution is prepared with 3.26g kcl and water to make 25.0ml,of kcl,what is the %(m/V) of the kcl solution.
5 answers
asked by
michelle
4,161 views
what is the concentration of the chloride ion when enough water is added to 12 grams of sodium chloride to make 4.0 Liters if
4 answers
asked by
Annmarie
633 views
Water is added to 200 cm3 of a 2.0 M solution of CaCl2 to increase the volume of the solution to 400 cm3. What is the new
4 answers
asked by
Maria
1,277 views
Calculate the concentration of the initial nitrate stock solution (in ppm) if exactly 0.361 g of
KNO3 is dissolved in a 1 L
2 answers
asked by
Angel
1,219 views
Your lab partner tells you that he has prepared a solution that contains 1.5 moles of NaOH in 1.5 L of aqueous solution, and
4 answers
asked by
John
1,578 views
what is molarity of h2so4 solution contaning 9.8g of h2so4 per 500ml?
5 answers
asked by
ahtasham
3,936 views
Calculate the amount concentration of the ammonium ion in 100.0 ml of a solution containing 14.4 g of ammonium carbonate.
4 answers
asked by
Danneila
1,663 views
the mass percent of a solution prepared by dissolving 0.500 moll KCL ( Molar mass = 74.6 g) in 850 g of water is ?
4 answers
asked by
ogb
963 views
What is the concentration of Hg^2+ in 500.0 mL of a solution that was originally 0.011 M Hg^2+ and had 73 g of KI added to it?
Hg
5 answers
asked by
Andrew
2,470 views
In clinical lab reports, some concentrations are given in mg/dL. Convert a Ca2+ concentration of 3.5 mg/dL to weight/volume
4 answers
asked by
Jen
4,172 views
What is the concentration in % (m/v) of a solution with 75 g K2SO4 dissolved in 1500 mL of solvent?
4 answers
asked by
Ty
1,819 views
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