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Solution Preparation
Page 3
Questions (354)
A chemistry student must write down in her lab notebook the concentration of a solution of sodium thiosulfate the concentration
2 answers
asked anonymously
47 views
Dry potassium acid phthalate (KHC8H4O4) for one hour at 110°C and cool. Accurately weigh 2.00 to 2.05 gms of the sample to four
1 answer
asked by
Jenneh A. Soko
78 views
Describe the preparation of 2litres of 0.15M CaSO4
1 answer
asked by
Titilayo
241 views
Describe how you would prepare the following two solutions. Be sure to include the type of glassware which you would use and as
2 answers
asked by
Joe
704 views
How many kg of wet NaOH containing 15% water are required to prepare 70 litre of 0.5N solution?
3 answers
asked by
Giri
724 views
if you want to make 50 ml of a 1x TAE solution fro a 50X stock, how would you prepare it?
1 answer
asked by
anonymous
440 views
How many grams of potassium sulfate are needed to prepare 150 ml of a 6.50 m/v% potassium sulfate solutions
1 answer
asked by
Chin
396 views
How many gramms of Tris and Tris Hcl are needed to make up 500ml of 1m Tris with a PH of 8.0? (pka of Tris is 8.3, mw of Tris is
3 answers
asked by
kishow
755 views
A solution is created using 2.1700 grams of Calcium Hydroxide (MW is 74.093) in a 1L volumetric flask. A 50 mL aliquot is then
1 answer
asked by
Sam
498 views
Preparing a Solution:
A. Calculate the amount of methylene blue chloride (MW = 319.8 g/mol) needed to make 50 ml of a 10 mM stock
1 answer
asked by
emily
515 views
1) You are going to make 1800ml of a 25uM solution using a compound whose MW= 60.06 Daltons. How many grams do you need of this
1 answer
asked by
Tenshi
458 views
1) You are going to make 1800ml of a 25uM solution using a compound whose MW= 60.06 Daltons. How many grams do you need of this
1 answer
asked by
Tenshi
449 views
How many ml of water should be added to 20.0 ml of a stock of 12.0 M HCl solution to make 1.50 M HCl ?assume that the volumes
1 answer
asked by
konja
385 views
Brandon prepares a potassium hydroxide solution (KOH) that he uses during a titration to determine the unknown concentration of
2 answers
asked by
dennis
565 views
okay so in lab we made up 2 solutions of FeCl3 and KI. We varied the volumes...I was just wondering how to calculate a new
3 answers
asked by
michelle
958 views
You have a bottle labeled “53.4 (±0.4) % w/w NaOH” with a density of 1.52 (±0.01) g/mL. You use 16.7 (± 0.2) mL of the
2 answers
asked by
Anonymous
687 views
How to prepare 500ml of 7% Question 6
You need to make 500mls of a 7% bovine serum albumin solution. What mass, in grams, do you
3 answers
asked by
Danielle
827 views
You need to prepare 120 g of a 7% cream using a 21% stock cream and a 2% cream base.
3 answers
asked by
ski
400 views
Form 300 mL of 0.25 M Copper 2 sulfate pentahydrate
2 answers
asked by
Jon
532 views
How to prepare 1mol conc. Sol
1 answer
asked by
Anonymous
279 views
A solution is prepared by dissolving 3.44 g of sucrose, C12H22O11, in 118 g of water.
a) What is the molality of the resulting
4 answers
asked by
Kate
588 views
You want to dilute 10M sulfuric acid to make 500mL of 1M sulfuric acid. How much 10M sulfuric acid should you measure?
1 answer
asked by
Sangita
418 views
Calculate the volume of 12 M Na2SO3 which needs to be added to 500.0 mL of water in order to produce a solution in which [Na+]=
1 answer
asked by
Riann
479 views
We will need 0.5L extraction buffer with 25 mM HEPES, 1 mM EDTA, and 1 mM DTT. Please calculate how many grams of each solute
3 answers
asked by
Amanda
406 views
how to prepare 40% of Nitric acid from 70% of the Nitric acid solution
2 answers
asked by
meena
483 views
Describe how you would make up3.2 g of a 5.00% aqueous solution of NaCl(i.e. find masses of the components that need to be
1 answer
asked by
george
329 views
prepare a 50ml of potassium permanganate solution such that 10ml diluted to 250ml will produce a 1 in 2000 solution
1 answer
asked by
oluchi
394 views
How many grams of K2Cr2O7 are required to prepare 500 ml of a 0.13 N solution?
2 answers
asked by
Anonymous
1,243 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
2 answers
asked by
Kelli
603 views
To what volume should you dilute 50ml of a 13M stock HNO3 solution to obtain a 0.131M HNO3 solution?
2 answers
asked by
YeJi
767 views
How many grams of urea [CO(NH2)2] would be required to prepare 200 mL of a 5.0 x 10-3 molar solution?
Answer
1 answer
asked by
Anonymous
405 views
I have a project practical investigation to do and I have no idea how to go about with it. The problem is: Calculate the mass of
4 answers
asked by
Cindy
454 views
You need to dissolve CaCl2 in water to make a mixture that is 31.5% calcium chloride by mass. If the total mass of the mixture
1 answer
asked by
Anonymous
449 views
65.933grams of barium fluoride are placed into a volumetric flask,and enough water is added to make 1.500 liters of solution.
1 answer
asked by
JOSEPH
395 views
how many ml of a 1 M NaOH solution do you need to add to a 250 ml flask and bring it to volume with deionized water to make a
1 answer
asked by
william
402 views
Calculation in grams for a .100 M solution of NaC2H3O2 * 3H2O using a 100 mL volumetric flask?
1 answer
asked by
Emily
433 views
You are a lab technician and must create 250 ml of a 17% salt-solution.
a. If you have 500 ml of 28% salt-solution, how many
2 answers
asked by
Fatih
678 views
Calculate the volume (mL) of 2.81 M magnesium phosphate solution require to prepare 43.20 mL of 2.1000 %w/v solution of
1 answer
asked by
donald
395 views
Describe, in detail, how to make 3.0 liters of a 3.5 molar HCl solution from an 18.5 molar HCl stock solution.
3 answers
asked by
bryan
831 views
What mass of silver nitrate (AgNO3) is required to prepare 400 g of a 3.50% solution of
AgNO3
4 answers
asked by
Yolanda
2,781 views
If 150.0 mL of 1.00 M C6H12O6 are diluted to 750.0 mL, what is the molarity of the final solution?
____ M?
3 answers
asked by
MBH
921 views
How many grams of solute are needed to prepare each of the following solutions?
A. 1.000 L of 0.180 M NaCl B. 250.0 mL of 0.150 M
3 answers
asked by
Bekah
1,423 views
Desribe the preparation of 2.00 L of 0.100M pH 9.00 glycine starting with the sodium chloride salt of zwitterionic glycinhe and
2 answers
asked by
Sandra
497 views
A student wants to make a 5.00% solution of potassium chloride using .0377 g of the substance.What mass of water will be needed
2 answers
asked by
Autum
490 views
no idea how to do this...
describe how you would prepare from the specified stock solution: 400 mL of 0.45 M urea starting with a
1 answer
asked by
katie
330 views
What volume of concentrated phosphoric acid is required to prepare 250ml of a 0.375mol/L solutions?
3 answers
asked by
Cheryl
626 views
I need to prepare a standard iron solution by dissolving an appropriate mass of solid Fe(NH4)2(SO4)2*6H2O in water in a 1L
1 answer
asked by
Ryan
463 views
prepare 1M 100 ml H2SO4. 98% H2SO4, density 1.84
3 answers
asked by
hadja
657 views
what si the procedure to make a 0.10m solution of Potassium Hydroxide during a class lab?
3 answers
asked by
meghan
366 views
what are the procedures and materials needed to make a 0.10m solution of Silver(I) Chloride?
4 answers
asked by
meghan
408 views
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Acid-Base Chemistry
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