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Solutions and Concentrations
Page 6
Questions (550)
A 853 solution is diluted to a volume of 1.50 and a concentration of 7.00 . What was the initial concentration? PLEASE HELP
1 answer
asked by
lola
323 views
Suppose a salt and a glucose solution are separated by a membrane that is permeable to water but not to the solutes. The NaCl
3 answers
asked by
ivy
1,361 views
we are having a ice cream industry
we are using calcium cloride to get -35 degree now we are getting -25 degree density of liquid
2 answers
asked by
chitti
533 views
1.)prepare 500mM 100 ML HCL (37% purity, density 1.8)
2.) prepare 0.5N 100 mL HCL(37% purity, density 1.8)
2 answers
asked by
hadja
1,044 views
Determine the volume (in mL) of 1.18 M perchloric acid (HClO4) that must be added to 747 mL of 0.976 M sodium hydrogen citrate
2 answers
asked by
Sam
510 views
the problem requires the quantity of NaOH, this is what i don't understand what does it mean by quantity , the volume , the mass
1 answer
asked by
auro
359 views
A solution of hydrogen peroxide is 24.26% by mass and has a density of 1.11g/cm^3. the molarity of the solution?
7.54M .273M
2 answers
asked by
Cotton McKnight
499 views
1.If 0.5l of 5M solution of CU(NO3) is diluted to a volume of 0.80l by adding water, what is the molarity of the resulting
1 answer
asked by
Sarah
458 views
Indicated whether the calculated molarity of NaOH would be lower or higher Than the real value; or unaffected?
a) the water of
3 answers
asked by
Grettel
822 views
What is the composition of 17 g glucose in 375 ml solution in % (w/v)?
1. 22.1% 2. 4.53% 3. 2.21% 4. 0.453% 5. 17%
1 answer
asked by
Anonymous
278 views
1)determine the molality for an antifreeze solutions. Kf for water is 1.86 C/m
in the experiment we found the freezing point of
2 answers
asked by
kelly
543 views
What is the molarity of a 15%(w/v) solution of nickel (III) ferrocyanide? I can't figure out what nickel(III) ferrocynade is?
5 answers
asked by
Beth
407 views
We have an aqueous solution that contains
22% (by mass) of a hypothetical solute Z. The formula weight of the solute Z is 173
2 answers
asked by
Anonymous
777 views
A bottle labeled 0.150Msulfuric acid contains a solution with what concentration in sulfate
ions?
1 answer
asked by
sarah
314 views
some states have reduced the legal limit for alcohol sobriety from 0.10% to 0.08% alcohol by volume in blood plasma.
a) how many
1 answer
asked by
ling
1,086 views
One liter of approximetely 0.25N HNO3 has been prepared. Upon titration it was found that 5.0 ml of the acid required 11.0 ml of
2 answers
asked by
jc
502 views
the volume of alcohol present in 620 mL of a 40% (v/v) solution of alcohol is ______?
A. 372 mL B. 40 mL C. 248 mL D. 580 mL
3 answers
asked by
Kathie
1,039 views
A student added solid K2O to a 750.0 mL volumetric flask. The solid was dissolved in water and then the flask filled with water
2 answers
asked by
Mark
577 views
Calculate the volume (mL) of the solute (CH3)2CO and the volume (L) of the solvent H2O that should be added to prepare 1.36 kg
3 answers
asked by
Jackie
558 views
calculate the molarity of sodium in 12.4g of sodium acetate diluted in 100mL of ID water? and calculate concentration of both
2 answers
asked by
Samah
487 views
When 41.81 of a solution of aqueous sliver ions with a concentration of 0.2040 mol dm3 is added to a solution of XO-3/4 ions,
2 answers
asked by
Mark
515 views
Find the molarity of a salt water solution containing 0.27 mol NaCl in 150g of H2O.
My work: 0.27 mol NaCl/150 g x 1000g/1kg =
3 answers
asked by
Janice
949 views
How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% soltution? Round to the nearest tenth.
3 answers
asked by
natalie
474 views
Using the following stock solutions:
NaCl, 100mmol KCl, 200mmol CaCl2, 160mmol Glucose, 5mmol Calculate the volumes of each stock
1 answer
asked by
jess
501 views
How much wat must be evaporated from a 65-gallon tank of 40% salt solution in order to obtain an 80% salt solution?
1 answer
asked by
Trisan
439 views
I have a chemistry test tomorrow and I'm trying to study but none of these questions in the book make sense to me:(
Help! 1.
3 answers
asked by
Maycee
746 views
first, thanks so much Bob for helping me!!!!
Q4.you will be asked to prepare 25.0 mL of a 0.019 M solution of sodium chloride
4 answers
asked by
Ally
1,354 views
Whis solutions were hypertonis to the egg?
All solutions contain too millitiers of sucrose solution. 15% 25% 30% 40 % and 50%
1 answer
asked by
saleem
326 views
A particular household ammonia solution (d= 0.97g/mL) is 6.8% NH3 by mass.
How many milliliters of this solution should be
3 answers
asked by
javeya
625 views
Determine how to prepare 250.0 mL of 0.000362 M Fe(NH4)2(SO4)2 using solid Fe(NH4)2(SO4)2 *6H2O (392.13 g/mol)
1 answer
asked by
Anonymous
264 views
find molar concentration of the solution.
.128 g of benzophenone and fill in a beaker with ethanol to the 50.00mL line i came up
1 answer
asked by
john
415 views
An aqueous solution of calcium chloride contains 2 g of calcium chloride (molar mass 110.98 g mol-1) in 100 ml. Calculate the
2 answers
asked by
Slaysliver
545 views
i kinda understand waht you're saying. to be a bit more clear this is from a lab,
and here are the volumes we retrieved: Volume
3 answers
asked by
Vanessa
487 views
Commercial hydrazine is sold as a 64% solution. Using that as your starting material, how would you prepare a 5% solution of
4 answers
asked by
~christina~
601 views
A piece of nickel is placed in a beaker with 350 mL of copper (II) sulfate. Calculate the concentration of the copper (II)
3 answers
asked by
Michelle
1,388 views
Find the a) % solution, b) molality and c) mole fraction of the acid 16.0 M H2SO4 d = 1.634 g/ml for the solution
2 answers
asked by
Ken
546 views
What is the molarity of a solution containing 20 grams of NaOH in 500 milliliters of solution?
a-0.04M b-0.5M c-1M d-2M
5 answers
asked by
Jena
3,564 views
Explain the preparation of a desired molar solution providing step by step instruction
1 answer
asked by
Kelvin
18 views
What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O?
2. A solution is made by adding 1.23 moles of KCl to 1000.0 g
4 answers
asked by
Anonymous
2,759 views
Solution A in H2So4 containing
0.085mol /dm^3. solution B is KoH. Titrate using methyl orange as an indicator. calculate:
3 answers
asked by
El chapo
2,594 views
A solution was made by dissolving 5.15 mg of hemoglobin in water to give final volume of 1.00 mL. The osmotic pressure of this
4 answers
asked by
Wiped Out
2,448 views
Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00×10−2 . The diluted
4 answers
asked by
boston
2,099 views
Prepare 500mL of a 0.200 M acetate buffer at pH 4.90 using only pure acetic acid, 3M NaOH, and water.
1) Add acetic acid to
3 answers
asked by
Ryn
1,862 views
A chemist mixes some 20% acid solution with pure 100% acid to increase the concentration. How much pure acid and acid solution
3 answers
asked by
jess
1,852 views
How would a student make 500.0 mL of a 0.08500 M solution of iron(III) using a stock solution that is 0.3180 M in iron(III)?
3 answers
asked by
Gabby
1,633 views
Ksp for AgBr is 5x10-13. What is the maximum concentration of silver ion that you can have in a 0.1 M solution of NaBr?
3 answers
asked by
Anon
1,472 views
calculate the concentration of a silver ion when the solubility produc constant of AgI is 10 to the power of negative 16
3 answers
asked by
kim
1,454 views
A 15.0ml sample of NaCL solution has a mass of 15.78g.after the NaCL solution is evaporated to dryness, the dry salt residue has
3 answers
asked by
jack
1,508 views
Q4.you will be asked to prepare 25.0 mL of a 0.019 M solution of sodium chloride during this experiment....
a.calculate mass of
4 answers
asked by
Ally
1,414 views
a 45.8mL sample of a 5.8 M KNO3 solution is diluted to 1.00L. What volume of the diluted solution contains 15.0g KNO3?
how do you
1 answer
asked by
kyle
1,346 views
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