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Concentration
Page 4
Questions (659)
A chemist makes a solution of K2SO4 by dissolving 21.7 g K2SO4 in water to make 100.0 mL of solution. What is the concentration
3 answers
asked by
Jamie
2,448 views
A solution contain 40 centimetre cube of alcohol mixed with 150 cm cube of water calculate the concentration of the solution
4 answers
asked by
Nasrin
946 views
80ml of methyl alcohol water are mixed to give a solution that has a final volume of 154ml. What is the concentration of the
4 answers
asked by
Araceli
698 views
The equilibrium constant, Kc, for the equilibrium
N2O4(g)←→2NO2(g) is 4.6×10−3 . If the equilibrium mixture contains
4 answers
asked by
Anonymous
1,757 views
calculate the volume of the 3.0 M stock solution needed to make a diluted 30mM solution in 400ml
3 answers
asked by
Jennifer
500 views
A student has a solution with a mole fraction of 0.20 of chloroform in carbon tetrachloride. What is the molality of chloroform
3 answers
asked by
Anonymous
2,566 views
How many milliliters of a 0.20 M of glucose (C6H12O6) solution are needed to provide a total of 25.0 g. of glucose?
Molarity(M)=
3 answers
asked by
Melia
2,111 views
An aqueous KNO3 solution is made using 72.5 grams of KNO3 diluted to a total solution volume of 2.00 liters. If the molarity of
3 answers
asked by
Adam
3,604 views
A 200. gram sample of a salt solution contains 0.050 grams of NaCl. What is he concentration of the solution in parts per
3 answers
asked by
Tamara
3,061 views
What is molality of ethanol in water,if molar fraction of ethanol is 0.3?
4 answers
asked by
Zedod
2,021 views
For the equilibrium Br2 + Cl2 goes to 2BrCl at 400 K ,Kc = 7.0. 0.30 of Br2 and 0.30 of Cl2 are introduced into a 1.0 L-
3 answers
asked by
erika
1,123 views
The concentration of a 100 mL solution of 10 g of Cu(OH)2 is:
3 answers
asked by
p
18 views
25cm³ of a solution contains 1.06g of anhydrous Na²Co³ in 200cm³ solution requires and 20cm³ of an aqueous solution of
2 answers
asked by
Ella
129 views
A student dissolves 45.2 G of MG oh H2 in enough water to make 1.00 L of solution the concentration of the solution is.
1 answer
asked by
Anonymous
143 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
Tom
221 views
The pesticide DDT (C14H9Cl5)... Express these concentrations in ppm and in milimoles per liter.
Orchard - Sample size: 250.0mL
4 answers
asked by
Anonymous
1,233 views
what mass of silver nitrate is needed to prepare 100cm3 of silver nitrate solution,
concentration 0.2mol/dm3? the mass of one
3 answers
asked by
Anonymous
991 views
A stock solution of sulfuric acid must be diluted by adding 25.0mL of 7.50M H2SO4 to enough water to make 500mL of diluted
3 answers
asked by
Anonymous
635 views
How much BaCl2 would be needed to make 250 mL of a solution having same concentration of Cl^- as the one containing 3.78g of
4 answers
asked by
jaimi
2,081 views
Determine the volume, in milliliters, required to prepare each of the following diluted solutions.
40.0mL of a 2.75M KNO3
4 answers
asked by
Chan
1,336 views
What is the percent by volume concentration of a solution containing 300.mL of isopropyl alcohol and enough water to give 400.ml
3 answers
asked by
Hannah
688 views
What is the molal concentration of an aqueous calcium chloride solution that freezes at -2.43 degrees C?
3 answers
asked by
Arya
1,147 views
What preperation produces a 2.0 Mole solution of C6H12O6?
a) 90.0 grams of C6H12O6 dissolved in 500.0 mL of solution b) 180.0
3 answers
asked by
D
1,308 views
A solution of NaOH was obtained by dissolving 5.6g of NaOH pellets in 100cm^3 of water. What is the concentration of resulting
3 answers
asked by
HandsomeLala
377 views
0.281g of Fe(NH4)2(SO4)2*6H2O is dissolved in a total volume of 500.0 mL of water, calculate the resulting Fe concentration in
3 answers
asked by
ella
1,581 views
compute the mole fraction of the solute and solvent in a 15%aquaeons nitric and (HNO3) solution?
3 answers
asked by
chrisabel
594 views
What is the mole fraction of sulfuric acid in a solution made by adding 3.4 grams of sulfuric acid to 3500 mL of water?
4 answers
asked by
amber
3,139 views
A solution of vinegar is 5.16% by mass aetic acid, CH3CO2H, in water. Assuming the density of vinegar is 1.00 g/mL, what is the
3 answers
asked by
Missy
1,192 views
at 30degrees celcius, 80 grams of potassium bromide is dissolved in 100 grams of water. is this solution unsaturated, saturated,
5 answers
asked by
kim
1,232 views
A solution of lithium chloride in water has a mole fraction of 0.0500 in LiCl. What is the molality?
Mole fraction = moles of
3 answers
asked by
Ginger
3,160 views
what is the difference between molarity and molarlity
4 answers
asked by
uduak
709 views
2.54 of sodium chloride were dissolved in water and the solution made up to 100cm^3. What is the solution in moldm^-3
3 answers
asked by
Sinachi
80 views
Why is the population of Georgia heavily concentrated in the Atlanta area?
A. Atlanta has a larger geographic area than other
3 answers
asked by
bob
78 views
What is the %v/v of a solution made from 141.1 g of ethylene glycol (density is 1.11 g/mL) in water (density 1.00 g/mL) to form
3 answers
asked by
lizzy
168 views
Calculate the formal concentration (in molarity) of a LiCl solution if 17.0g of LiCl is dissolved in 500.0mL of water.
1 answer
asked by
Roland
157 views
. A 100 g of ammonium chloride solution is 30 % by mass with a density of 1.024 g/mL. Calculate molarity and molality of a
2 answers
asked by
Christopher
488 views
If you transferred 2.00 mL of 5.49 x 10^-2 M Fe(NO3)3 solution into a 250.00 mL volumetric flask and diluted to the mark with
3 answers
asked by
Anonymous
256 views
Which of the following solutions is the most dilute.
0.32 M 1.5 M 2.5 mol / L 0.23 mol / L 0.23 mol / L??
3 answers
asked by
bella
1,031 views
What is the concentration (in mol/L) of Co2+(aq) in a solution of 8.77 grams of cobalt (II) nitrate hexahydrate, Co(NO3)2.6H2O
2 answers
asked by
steven
732 views
In a 0.250 M solution of Na3PO4 the concentration of sodium ions would be
2 answers
asked by
Gowtham
830 views
An aqueous solution contains 10% glucose by weight. Find the mole-fraction of both solute and solvent.
4 answers
asked by
Win
838 views
What is the concentration percent by volume of a solution containing 50 mL in 2.5 L of solution
3 answers
asked by
Anonymous
573 views
A solution of ethanol water is prepared by dissolving 10ml ofethanol density 0.789g/mol in a 100ml of a solution with density
2 answers
asked by
celestine
976 views
0.25 mol dm-3 solution of hydrochloric acid?
1 answer
asked by
Rain
365 views
Match each term to its correct description.
Column A 1. Concentration: Concentration 2. Saturated Soultion: Saturated Soultion 3.
3 answers
asked anonymously
185 views
What are the molality and mole fraction of solute in a 25.5 percent by mass aqueous solution of formic acid (HCOOH)?
3 answers
asked by
john
686 views
2 g of glycine (C2H5NO2) are dissolved in water to a total volume of 3 L. What is the concentration of the glycine solution in
4 answers
asked by
Tori
698 views
A solution contains 0.100 mg of NaOH dissolved in enough water to make 10.0 L of solution.
whats the concentration
3 answers
asked by
byu
532 views
Find the concentrations of all species in a 0.10mol/l solution of NaOH
2 answers
asked by
Buck
704 views
Calculate the value of the [Fe3+]/[Fe2+] if 3 cm3 of the 0.05 M Fe3+ solution is added to 25 cm3 of the 0.05 M Fe2+ solution
3 answers
asked by
ronika kumar
677 views
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