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Concentration
Page 8
Questions (659)
If the equilibrium constant is very small, which assumption can be made?
a) concentration of reactant at equilibrium is the same
5 answers
asked anonymously
41 views
Where is the largest population concentration in the Western Hemisphere?
(1 point) Responses in the interior of Mexico in the
1 answer
asked by
Blue Berry
50 views
How many grams of a drug substance should be added to 240 mL of water to make a 4% (w/w) solution?
1 answer
asked by
Those who want to be...
26 views
A solution is prepared by dissolving 0.20 mol of acetic acid and 0.20 mol of ammonium chloride in enough water to make 1.0 L of
1 answer
asked by
Anonymous
1,311 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
2 answers
asked by
Sam
1,230 views
The dissolved Ca++ concentration in a river is approximately 30 mg/L.
This concentration is equivalent to ___ ppm or ___ mol/L,
4 answers
asked by
Nilan
1,207 views
Express each aqueous concentration in the unit indicated.
45 ppm NO3 -, as molarity of nitrate ion in [mol NO3 - /L].
4 answers
asked by
Chem&Society
1,166 views
How many grams of glucose (180g/mole) would be needed to make 100ml of a 1.5 M solution?
1 answer
asked by
matt
1,139 views
Match each term to its correct description.
Column A 1. Concentration: Concentration 2. Saturated Solution: Saturated Solution 3.
1 answer
asked anonymously
51 views
the teacher instructed three students A,B,and C respectively to prepare a 50% (mass by volume) solution of sodium hydroxide
4 answers
asked by
irsha
1,142 views
A solution of fructose, C6H12O6, a sugar found in many fruits, is made by dissolving 22.0 g of fructose in 1.00 kg of water.
2 answers
asked by
Anonymous
1,131 views
A solution contains 60g of sugar in 480g of water calculate the concentration of solution in terms of mass by mass percentage of
4 answers
asked by
Subhitcha
1,087 views
Can someone please check my work?
Which of the four factors affecting reaction rate is most important in each exampel below?
2 answers
asked by
John
1,119 views
suppose 100 g of lead nitrate salt is added to enough water to make 1 L of solution, what is the concentration of the lead ion
2 answers
asked by
Anonymous
1,108 views
When a sample of PCl5(g) (0.02087 mol/L) is placed in 83.00 L reaction vessel at 491.0 °C and allowed to come to equilibrium
4 answers
asked by
Drew
1,091 views
A solution is prepared by dissolving 23.7g of CaCl2 in 375.0g of water. The density of this solution is 1.05g/mL. determine the
2 answers
asked by
jim
1,083 views
what would be the initial concentration (M) for Fe+3 if you have
2.00 x 10-3 M Fe(NO3)3 in 1 M HNO3 ((ml) 5.00) 2.00 x 10-3 M
2 answers
asked by
julia
1,197 views
if the ration of water drops to EDTA is 6.7 for the known sample and 10 for the unknown sample what is the concentration of the
4 answers
asked by
alex
1,067 views
A solution of H2SO4 with a modal concentration 6.25m has a density of 1.300 g/ml. What is the molar concentration?
3 answers
asked by
Josh
1,033 views
What is the concentration (in % mass) of a solution in which you dissolve 200 mg of NaHCO3 in 1.0 L of water?
2 answers
asked by
Kiley
1,020 views
A sample of 5.52 grams of NaOH is dissolved
into 659 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then
2 answers
asked by
Greatest
1,055 views
1. Sugar can be dissolved in water because of the presence of bonds between _______ in its molecule.
2. If the maximum amount of
3 answers
asked by
Amanda
1,039 views
A solution is made by dissolving 811.0 cg of barium hydroxide, Ba(OH)2, in 0.1137 kg of water. What is the concentration in
3 answers
asked by
erica
1,047 views
What is the concentration in mol/L of a CuSO4 solution containg 1.0 mole of CuSO4 in 250 mL of Solution?
I would like to know how
2 answers
asked by
Hannah
1,004 views
Express the concentration of a 0.0700 M aqueous solution of fluoride, F-, in mass percentage and in part per million. Assume the
2 answers
asked by
Adam
1,004 views
What volume of each of the following solutions contains 0.13mol of KCl?
1).345M of KCl 2)2.0M of KCl 3).895M of KCl
2 answers
asked by
rachel
1,016 views
The normality of Hv2SOv4 is given as 0.20 N for a reaction in which the Hv2SOv4 furnishes two hydrogen ions. What is the
2 answers
asked by
kathryn
974 views
What is the [H+] in a 0.10 M solution of ascorbic acid,C6H8O6?
2 answers
asked by
James
1,004 views
What volume of a 0.33 M Mg(NO3)2 solution contains 96 g of Mg(NO3)2?
1 answer
asked by
Kelsey G
962 views
7.00 grams of sugar (C12H22O11) are dissolved
in water to make 1 L of solution. What is the concentration of this solution?
3 answers
asked by
Justina
1,000 views
The densities of three solutions with known concentrations ( 20% , 50%, and 70%), and one unknown solution were determined. If
2 answers
asked by
Mark
987 views
What is the percent by volume (% v/v) of a solution made by mixing 12 ml of ethanol (C2H5OH) with 48 ml of water?
b) Assuming the
2 answers
asked by
ben
1,009 views
If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what is the concentration in terms of the following?
a. molarity
2 answers
asked by
krystal
982 views
A solution is prepared by dissolving 0.20 mol of acetic acid and 0.20 mol of ammonium chloride in enough water to make 1.0 L of
2 answers
asked by
Anonymous
995 views
8 mL of 2.5 M phosphoric acid is neutralized with 500 mL of potassium hydroxide. What is the concentration of the base?
2 answers
asked by
Mustafa
948 views
what is the concentration of a solution with 5 grams of HBr dissolved in 2 liters of water?
2 answers
asked by
rick
954 views
Calculate the concentration (% W/V) of NaCl solution that was made by dissolving 15.0 g of sodium chloride in enough water to
3 answers
asked by
Chemistry Chick
969 views
If you know that the mass concentration of a NaCl solution is 58.5 g/L, the molar concentration (mol/L) of the solution is ?
can
2 answers
asked by
brett
967 views
A 965 solution is diluted to a volume of 1.10 and a concentration of 8.00 . What was the initial concentration?
2 answers
asked by
Anonymous
911 views
What is the Na+ concentration of 2.85 M sodium sulfate?
2 answers
asked by
A
920 views
If 45.8 grams of MgO are dissolved in 205 grams of water, what is the concentration of the solution in percent by mass?
1 answer
asked by
ilyrae
963 views
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4
3 answers
asked by
allen
935 views
At a particular temperature, Kc = 54 for the reaction
If 1.0 mole of H2 and 1.0 mole of I2 are placed in a 5.0 L container, what
4 answers
asked by
CC
902 views
A 4.379 g sample of MgCl2 is dissolved in enough water to give 750.0 mL of solution. What is the chloride ion concentration in
2 answers
asked by
Chris
880 views
An aqueous solution of nacl has a mole fraction of 0.21. What is the mass of NaCl dissolved in 100.0 mL of solution?
3 answers
asked by
Ashley
875 views
If a 0.5 L container of juice contains 15 g of sugar, what's the concentration of sugar?
A. 30 g/L B. 3.33 g/L C. 45 g/L D. 7.5
2 answers
asked by
barbara
870 views
Okay so the question is: what would be the molarity of a saturated aqueous solution of NaI prepared at 25 C, assuming that the
2 answers
asked by
Unknown
872 views
how would i create a 100mL solution of 0.1N nitric acid using 6.25N nitric acid?
2 answers
asked by
lisa
869 views
What will be the concentration if 52 milliters of a solution that is 12 parts per million in sodium chloride is diluted with
1 answer
asked by
Whitney
832 views
I have tried to solve this problem, but I keep getting it wrong. Please advise on this question.My answer will be listed under
2 answers
asked by
Jim
838 views
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Parent Categories (38)
Acid-base reactions
Acids
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