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Solutions and Mixtures
Page 2
Questions (189)
put in decreasing freezing point 0.10m Na3PO4,0.35m NaCl,0.20 m MgCl2, 0.15 m C6H12O6,0.15 m CH3COOH
4 answers
asked by
Anonymous
1,508 views
Describe the preparation of 5 liters of a 0.3 M acetate buffer, pH 4.47, starting from a 2 M solution of acetic acid and a 2.5 M
3 answers
asked by
MMS
368 views
How would you prepare 30 mL of acetic acid/acetate buffer solution of pH = 5.06?. Assumeyou have 0.1M solutions of both acetic
3 answers
asked by
NGIXY
555 views
two aqueous solutions (solution A and solution B) contain different non reactive solutes and have densities of 1.021 g/ml and
4 answers
asked by
Anonymous
1,404 views
A chemist has a bottle of 1% acid solution and a bottle of 5% acid solution. She wants to mix the two to get 100 mL of a 4% acid
3 answers
asked by
Megan
2,350 views
Please prepare 0.5L of 1.2M HCl in 50% (v/v) aqueous methanol.
The details of HCl are as follows: Hydrochloric acid: Purity :
3 answers
asked by
elvy
716 views
A salt solution of 15 litres contains 20% salt.How much water must you add to salt solution in order to dilute it 15% salt?
5 answers
asked by
YATHART
716 views
You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added
3 answers
asked by
Lacy
1,119 views
1. When the energy released by the formation of solute-solvent attractions is greater than the energy absorbed by overcoming
4 answers
asked by
sarah
906 views
How much pure acid must be added to 6 milliliters of a 5% acid solution to produce a 40% acid solution? Please Show All Work!
2 answers
asked by
Trisan
772 views
Can someone please help me ?
What mass of glycerol must be dissolved in 200.0 g of water to give a solution with a freezing point
3 answers
asked by
jecce.
776 views
Solution A is 25% acid and Solution B is 40% acid. How much of each is needed to make 60 liters of a solution that is 30% acid?
3 answers
asked by
hanaa
914 views
If you mix 44 mL of 0.05 M K2HPO4 with 24 mL of 0.05 M KH2PO4, what % of the PO4 buffer is in the K2HPO4 form?
2 answers
asked by
anna
64 views
As part of a chemistry experiment, Barry is making a mixture of two solutions. He uses 4 cups of solution A for every 2 cups of
3 answers
asked anonymously
88 views
In the lab, Mary has two solutions that contain alcohol and is mixing them with each other. She uses 500 milliliters less of
2 answers
asked by
Mikyla
508 views
How many liters of 75% isoterge do you need to make 2 liters of 50% isoterge?
1 answer
asked by
kate
154 views
How do external factors (such as stirring or shaking) determine whether a mixture will become a mechanical mixture or a
1 answer
asked by
Bill
467 views
The freezing point of a salt and water mixture is -0.58 C. The freezing point of an unknown ionic solution (0.100 m) is -1.04 C.
2 answers
asked by
Ally
825 views
Calculate the amount of sodium acetate to be added to 100ml of a 0.100M acetic acid (pka=4.76) solution to obtain a buffer of pH
3 answers
asked by
Mansura
934 views
You have 775 mL of an 0.11 M acetic acid solution. What volume (V) of 1.10 M NaOH solution must you add in order to prepare an
1 answer
asked by
Jessica
411 views
You have two beakers of acid solution. One beaker contains a 17% acid solution, and the other beaker contains a 91% ACID
4 answers
asked by
cierra
599 views
You have 325 mL of an 0.11 M acetic acid solution. What volume (V) of 2.00 M NaOH solution must you add in order to prepare an
1 answer
asked by
joy
429 views
a chemist needs to prepare 28 ounces of a 8% hydrochloric acid solution. find the amount of 14% solution and the amount of 7%
2 answers
asked by
anna
641 views
100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of h2s04
2 answers
asked by
Ken
661 views
You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml of
4 answers
asked by
Anonymous
473 views
a) You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml.
2 answers
asked by
Anonymous
475 views
how are you going to prepare the follwoing phosphate solution which is used in many cell culture medium? 12 liters ;PH 7.4;
1 answer
asked by
ashraf
470 views
How much pure acid must be added to a 30% acid solution to make a 60L solution which is 50% acid?
2 answers
asked by
McKenna Louise
524 views
I figured all the parts of the problem except for the last one. Can you tell me what to do?
In the preparation of a mustard
1 answer
asked by
Kelli
912 views
If 15.0mL of 2.50M NaCl is mixed with 60.0mL of 0.300M Pb(NO3)2, what is the mass of the precipitate
2 answers
asked by
Martin
549 views
A lab assistant wants to make five liters acid solution. If solutions of 40% and 18% are in stock, how many liters of each must
2 answers
asked by
Janine
522 views
16.72g of sodium acetate trihydride (MW=136 g/mol) is dissolved in 100mL water. To this, 4.00g glacial acetic acid (Ka=2.2x10-5,
2 answers
asked by
Elle
780 views
Specifications for lactated Ringer's solution, which is used for intravenous (IV) injections, are as follows for each 100mL of
2 answers
asked by
Kevin
1,119 views
What do you call a solution that is maid by mixing solid Na2S2O3 5H20 with NaOH?
Also, what is the complete balanced equation for
1 answer
asked by
Mark
517 views
a 250.0 mL of solution contains 50.0 mL acetone and 45.0 mL ethyl alcohol and the remainder water. Calculate the % acetone,
%
2 answers
asked by
ris
1,097 views
Bunson Burner has 3 liters of a 10% acid solution. How much of pure acid must be added to produce a 50% acid solution?
1 answer
asked by
Cassidy
405 views
A student takes a 1.00 mL aliquout of 5.00*10^-4 M HCl solution and dilutes it to the mark with water in a 1000.0 mL volumetric
1 answer
asked by
TORI
398 views
How do I go about preparing 50% ethanol and 70% ethanol from 95% ethanol?
1 answer
asked by
michelle
672 views
To conduct a new experiment, a scientist needs a 23% salt water solution. How much of a 13% solution must be mixed with 45
3 answers
asked by
Anonymous
465 views
I have 2 question on science 7. please help me.
1.state whether each substance is a mechanical mixture, a suspension, or a
3 answers
asked by
Arushi
444 views
A chemist has several beakers full of different liquids that he will use to make a solution. The chemist records the amount of
3 answers
asked by
elijah
46 views
A solution of sodium chloride in water has a vapor pressure of 18.5 torr at 25°C.
What is the mole fraction of NaCl in this
3 answers
asked by
Jenn
914 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
Compute the vapor pressure of water above a solution formed by dissolving 25.00 grams of magnesium sulfate, MgSO4 (MM=120.3) in
2 answers
asked by
Eliz
541 views
what mass of ethylene glycol, the main component, of antifreeze, must be added to 10.0 L water to produce a solution for use in
2 answers
asked by
Raj
706 views
If iodine and water are mixed together and form a clear yellow solution and then cornstarch is added to iodine and form a dark
1 answer
asked by
astrid
428 views
i am stuck on this problem from school
A solution is made by mixing 30.0 mL of toluene C6H5CH3d=0.867gmL with 130.0 mL of benzene
2 answers
asked by
ted
511 views
Pure lauric acid is melted and the freezing point is determined to be 43 degrees celsius.
A solution is made by dissolving .50
3 answers
asked by
Miley
1,862 views
A 0.85-g sample is dissolved in 0.150 kg of bromobenzene. Determine the molar mass of the solute if the solution boils at 429.0
1 answer
asked by
Michelle
602 views
Give procedure of determining molarity of mass percentage liquid and its density
1 answer
asked anonymously
20 views
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Parent Categories (7)
Chemical Reactions
Chemistry
Experiments
Organic Chemistry
Percentages
Physical Chemistry
Science and Chemistry