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Concentration
Page 7
Questions (659)
find out the quantity of nac2o4 per/liter in 500 ml?
1 answer
asked by
rizwan
256 views
How is a mole related to concentration?(1 point) Responses The volume of particles of solute in a solution is measured in moles.
3 answers
asked by
Based on the Law of Conservation of Energy, which
84 views
Sodium metal dissolves in liquid mercury to form a solution called a sodium amalgam. The densities of Na(s) and Hg(l) are 0.97
2 answers
asked by
bernan
516 views
what is the final concentration of a solution if 100mL of water is added to a 25mL of 5.0 M NaCl?
2 answers
asked by
mandy
495 views
Why does a higher concentration increase the rate of reaction?
a It increases the frequency of collisions. b It increases the
3 answers
asked anonymously
44 views
If 15.0 of is dissolved in enough water to form 270 of solution, what is the molarity of the solution?
How many milliliters of
1 answer
asked by
ronie
379 views
Zinc, copper, lead, and mercury ions are toxic to Atlantic salmon at concentrations of 6.42 times 10 to the -2 mM, 7.16 times 10
2 answers
asked by
Bekah
577 views
you have 10 mL of a 1.0 M Ba(OH)2 solution and add it to 2.5 L of water. What is the concentration of hydroxide ionsin the
1 answer
asked by
Katie
348 views
A solution preapred from 50.0 g NaCL AND 150 G Of water has a mass/mass percent concentration
1 answer
asked by
chela
405 views
If 33.7 grams of LiOH dissolve in enough water to make a 231-gram solution, what is the concentration in percent by mass?
1 answer
asked by
ilyrae
419 views
calculate the percent KBr in a solution containing 0.88 grams KBr per 800 mL solution.
2 answers
asked by
paul durlin
488 views
A 100.0mL sample of the lake water was treated with 1.0mL of 1M AgNO3. 71.7mg of silver (I) chloride was isolated.What is the
1 answer
asked by
Toni Jones
456 views
What is the number of g of NaCl in 500 ml of a 10% (w/v) solution?
1. 5% 2. 10% 3. 50% 4. 1% 5. 15%
1 answer
asked by
Anonymous
292 views
What is the number of g of NaCl in 500 ml of a 10% (w/v) solution?
1. 5% 2. 10% 3. 50% 4. 1% 5. 15%
1 answer
asked by
Anonymous
284 views
Molarity of .100 mole of urea (CH4N2O) in 250.0 mL of solution
2 answers
asked by
Audrey
1,112 views
Suppose you dissolve 40g of potassium nitrate in 100 cm3 of water at 100 C. If half the solution os poured out, how many grams
2 answers
asked by
Matthew
814 views
well i need to know why these equation equals 2Mol
the equation is: 116g por litro es 2M and 11.6g en 100mL is 2M
1 answer
asked by
klariss
689 views
a ferric phosphate solution is prepared by adding 2.4 g of ferric phosphate to a volumetric flask and bringing the final volume
1 answer
asked by
medina
983 views
You have 10mL of a 1.0 M Ba(OH)2 solution and add it to 2.5L of water. What is the concentration of hydroxide ions in the
1 answer
asked by
Madison
317 views
What is the molarity of a 1.4% HCOOH solution
2 answers
asked by
Calli
558 views
what is the concentration of an aqueous solution when you add 9.58x10^-4 moles of copper nitrate to 42ml of water
1 answer
asked by
Rob
376 views
Fix any quotation mark errors below. If there are no errors, click "Submit Answer."
Original Quote: I can still hear my
11 answers
asked anonymously
55 views
What is final concentration of a mixed solution combining 50ml of 20% solution, 150 ml of a 15% solution and 200 ml of a 35%
1 answer
asked by
Lisa
471 views
A 10.0% by mass H2SO4(aq) solution has a density of 1.07 g/mL.
(a) How many milliliters of solution contain 8.41 g of H2SO4? (b)
1 answer
asked by
Jenny Marie
728 views
Sodium chloride is added to water (at 25⁰C) until it is saturated. Calculate the Cl- concentration in such a solution. Useful
1 answer
asked by
Stephanie
619 views
What is the concentration of a solution of HCL in which a 10.0 mL sample of acid required 50.0 mL of 0.150 M NaOH for
2 answers
asked by
Anonymous
552 views
WHAT CONCENTRATION OF SOLUTION DO YOU GET IF YOU DISSOLVE 45G OF GLUCOSE (MOLECULAR WEIGHT =180) IN 500ML OF WATER?
2 answers
asked by
ELAINE
903 views
An aqueous solution contains 8.7% NaCl by mass.
1. Calculate the molality of the solution. 2. Calculate the mole fraction of the
3 answers
asked by
Kyle
974 views
Determine the molarity and normality of a solution prepared by dissolving 55 mg of sodium bicarbonate (NaHCO3) in 750 mL of
2 answers
asked by
joe
783 views
If you add 1.0ml (cm3) of a aqueous solution of NaCl at 0.4mol to 9.0ml of water what's the final concentration of NaCl in mmol?
1 answer
asked by
liz
434 views
This is what i posted up a while back... i got to a using
0.520= a (.202M) and got a= 2.57 but now i don't know where to go from
3 answers
asked by
Amy
992 views
You told me the steps on a previous post but i must have forgot how to work out absorbance or ICE cus i keep getting the wrong
1 answer
asked by
Amy
469 views
1. How is the rate affected by doubling the concentratino?
2. Explain the effect of concentration on the rate of a reaction in
2 answers
asked by
Rogers
560 views
A solution is made by mixing 20.0 mL of C6H5CH3, d=.867g/mL, with 140.0mL of C6H6, d=.874g/mL. assuming that the volumes add
1 answer
asked by
christine
547 views
An aspirin tablet weighing 0.475 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved
the
1 answer
asked by
christine
644 views
So my chem experiment asks us: What is the molarity of a 6.0 ppm solution (it's a 6.0 ppm chlorophyll solution, hexane is the
4 answers
asked by
Just One Stranger
3,273 views
A 4g sugar cube(sucrose: C12H12O11) is dissolved in a 350ml teacup of 80 degree water. what will be the molality of the sugar
4 answers
asked by
Evans
3,123 views
A solution of H2SO4(aq) with a molal concentration of 1.66 m has a density of 1.104 g/mL. What is the molar concentration of
3 answers
asked by
Tanner
2,486 views
A sample of 76 g of NaCl is dissolved to make 1 L of solution. What is the morality of the solution?
How do I get started solving
6 answers
asked by
Alice Keign
2,200 views
What is the %v/v concentration of a solution made by adding 25 ml of acetone to 75 ml of water?
4 answers
asked by
william
1,933 views
An ethanol-water solution is prepared by dissolving 10.00 ml ethanol C2H5OH (density=0.789g/ml) in sufficient water to produce
3 answers
asked by
ADRIAN
1,963 views
How many grams of sucrose would you dissolve in water for a total volume of 500mL to make a 5% solution?
4 answers
asked by
jami
1,740 views
What is the concentration of a solution which contains 1 mole of CaCl2 dissolved in 2000mL of solutions?
4 answers
asked by
KT
1,720 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
3 answers
asked by
Anonymous
1,581 views
a 5% acetic acid solution contains -----grams of acetic acid per ------
3 answers
asked by
tiffany
1,536 views
A solution of H2SO4(aq) with a molal concentration of 6.25 m has a density of 1.300 g/mL. What is the molar concentration of
4 answers
asked by
Felicia
1,481 views
A solution made up of 20ml of mythl alcohol and 50ml of water. What is the volume percent of ethyl alcohol in solution.
4 answers
asked by
Araceli
1,466 views
A 375 g sample of well water is found to contain 17.0 mg of lead. How much lead (in parts per million) is in the well water?
4 answers
asked by
sara
1,436 views
what is the percent by volume of 15.0 mL of ethanol in 0.250 L of water?
3 answers
asked by
LD
1,417 views
90% H2O
10% Solute 40% H2O 60% Solute 15% H2O 85% Solute 35% H2O 65% Solute 20% H2O 80% Solute 20% H2O 80% Solute 55% H2O 45%
1 answer
asked anonymously
27 views
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