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Solutions and Concentrations
Page 2
Questions (549)
calculate the mass of NaOH required to make 500ml of 0.5Molar aqueous solution
4 answers
asked by
Shanton
3,348 views
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 15.0g of luminol into a total
5 answers
asked by
Chris
4,063 views
State,in a stepwise fashion how 250mL of a 0.100m sodium hydroxide solution can be made from sodium hydroxide pellets. ..
Then
4 answers
asked by
pelonomi Tito
1,968 views
An alcohol solution consists of 6 gallons of pure water and x gallons of alcohol, x > 0. Let f(x) be the ratio of the volume of
4 answers
asked by
emily
1,744 views
Describe the preparation of 250cm3 of 0.05M of H2SO4 solution given the following stock solution specification; % purity= 98,
4 answers
asked by
Anonymous
761 views
Calculate the molality of a 2.50 molarity NaCl solution. Density of solution = 1.08 g/ml.
5 answers
asked by
Anonymous
4,950 views
How much water must be added to 500.mL of .200M HCL to produce a .150M solution?
(.500mL x .200M)/.150M = .667mL Correct? A
5 answers
asked by
Chopsticks
5,536 views
What volume of 0.149 M HCl must be added to 1.00x10^2 mL of 0.285 M HCl so that the resulting solution has a molarity of 0.205
4 answers
asked by
Faith
1,929 views
How many milliliters of 5M H2SO4 are required to make a 1500ml of a .002M H2SO4 solution.
I used the formula M*L=M * L so mL *5 =
4 answers
asked by
angel
3,220 views
How much Na2CO3 would you weigh to prepare M/20 Na2CO3 solution in 100cm3 volumetric flask?
7 answers
asked by
Sylvia
3,427 views
How many individual hydroxide ions (OH)- are found in 13.4mL of 0.586M Ba(OH)2?
I'm not quite sure how to do this. Thank you!
5 answers
asked by
Jakob
4,866 views
Calculate the concentration of potassium ions in grams per liter after mixing 100 ml of 0.250 M KCl and 200 ml of 0.100 M K2SO4
5 answers
asked by
Elaiza
4,380 views
how many milliliters of a stock solution of 6.0 m hno3 would you have to use to prepare 110mL of 0.500 M HNO3?
4 answers
asked by
Ambra
4,937 views
A solution contains 0.0200 M Pb2 (aq) and 0.0200 M Sr2 (aq). If we add SO42–(aq), what will be the concentration of Pb2 (aq)
5 answers
asked by
Jematormal91
7,846 views
How much of each of the following substances would you add to water to prepare 1.90 L of a 0.15 M solution?
(a) H2SO4 from
4 answers
asked by
Anonymous
1,873 views
Calculate the volume in mL of a 1.420M NaOH solution to tirarte the following solutions
25.00mL of a 2.430M HCl solution
4 answers
asked by
Joe
1,735 views
Sterile solutions of potassium chloride containing 5 mEq/mL are available in 20 mL containers. Calculate the amount, in grams,
4 answers
asked by
Nico
885 views
To prepare 20 mL of 15 mM NaCl, how much NaCl would you need to weigh?
2. To prepare 5 mL of 1 mM glucose, how much glucose would
5 answers
asked by
Ethan
2,892 views
The approximate concentration of a hydrochloric acid solution is 0.5M. The exact concentration of this solution is to be
5 answers
asked by
Ericka
1,720 views
If 25.00 mL of 6.00 M HCl is transferred by pipet into a volumetric flask and diluted to 5.00 L, what is the molarity of the
4 answers
asked by
Rebecca
1,691 views
The densities of three solutions with known concentrations ( 20% , 50%, and 70%), and one unknown solution were determined. If
4 answers
asked by
alayna
3,938 views
What NaCl concentration results when 209 mL of an 0.660 M NaCl solution is mixed with 492 mL of a 0.270 M NaCl solution?
__
4 answers
asked by
Katherine
6,115 views
Calculate the volume, in milliliters, of a 0.220 M KOH solution that should be added to 5.750 g of HEPES (MW = 238.306 g/mol,
4 answers
asked by
Ainsley
950 views
A solution is created by dissolving 13.0 grams of ammonium chloride in enough water to make 265 mL of solution. How many moles
4 answers
asked by
Onye
3,736 views
Describe how you would prepare 500 mL of a 0.10 M solution of HCl from a 12.0 M solution of HCl.
5 answers
asked by
Sarah
1,108 views
Determine how many mL of solution A (acetic acid-indicator solution) must be added to solution B (sodium acetate-indicator
5 answers
asked by
Jake
7,636 views
As a technician in a large pharmaceutical research firm, you need to produce 400. mL of 1.00 M potassium phosphate solution of
4 answers
asked by
Anonymous
3,558 views
A is a solution of trioxonitrate (v)acid, HNO3 of unknown concentration.B is standard solution of sodium hydroxide containing
7 answers
asked by
Ogbaji
4,370 views
What volume of WATER MUST BE ADDED to 10.0 mL of 6.0 M NaOH to make a solution that is 0.30 M in NaOH? Assume that the volumes
5 answers
asked by
lawrence
2,039 views
Describe how you would prepare 0.05 mol.dm-3 sodium carbonate in a total volume 250 mls.
4 answers
asked by
Tresford
2,838 views
A stock solution of HNO3 is prepared and found to contain 11.1 M of HNO3. If 25.0 mL of the stock solution is diluted to a final
4 answers
asked by
chanel
7,356 views
Determine the concentrations of K2SO4, K , and SO42– in a solution prepared by dissolving 2.84 × 10–4 g K2SO4 in 2.25 L of
7 answers
asked by
Jhanvi
3,114 views
The density of acetonitrile (CH3CN) is 0.786g /mL and the density of methanol (CH3OH) is 0.791g/mL. A solution is made by
4 answers
asked by
Alexis
2,421 views
You made 100.0 mL of a lead(II) nitrate solution for lab but forgot to cap it. The next lab session you noticed that there was
4 answers
asked by
Becca
1,505 views
to what volume should you dilute 0.100 L of a 15M NaOH solution to obtain a 1.0 M NaOH solution?
4 answers
asked by
eugene
1,914 views
A is a solution containing 0.095 mol/dm3 of trioxonirate(v) acid solution.
B contains 13.5g if X2 CO3 1OH2 per dm3. using the
5 answers
asked by
poppy👌🤔
1,652 views
Concentrated hydrochloric acid is 12 M. What is the molarity of an HCl solution prepared by diluting 10.0mL of concentrated acid
4 answers
asked by
Sam
1,340 views
You have 75.0 mL of a 2.50 M solution of Na2CrO4 (aq). You also have 125 mL of a 2.15 M solution of AgNO3 (aq). Calculate the
4 answers
asked by
Sarah
3,632 views
Describe how you would prepare 250.0 mL of a 0.1500 M NaCl solution given that the NaCl is supplied as a solid.
Describe how you
5 answers
asked by
Caitie
1,396 views
A solution is made by dissolving 6.4 g of bromine (Br2) in enough CCl4 to make 80 mL of solution. What is the molarity of the
4 answers
asked by
Jack
673 views
You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3-morpholinopropane-1-sulfonic acid) and 10.0 mL of 0.071 M NaOH.
4 answers
asked by
Jessica
2,633 views
An aqueous solution that 2.10 M in AgNO3 is slowly added from a buret to an aqueous solution that is 1.20×10^−2 M in Cl- and
4 answers
asked by
Ryan
1,278 views
What mass of water must be added to 0.5 mol of glucose to make a solution of 25 percent by mass?The molar mass of glucose is 180
4 answers
asked by
student
2,393 views
Describe how you would prepare 250.0 mL of a 0.500 M solution of NaCl by using apparatus found in a chemistry lab.
6 answers
asked by
brown
2,383 views
How to prepare 1 litre of 150 ppm of copper 2 from the metal
4 answers
asked by
Talent
1,026 views
1) Prepare 100mL of 10%w/w HCl from 37%concentrated HCl(density of 37%HCl =1.19g/ml)
2) Prepare 100mL of 10%w/v HCl from 37%
4 answers
asked by
Annie
5,505 views
Help! I have to get this done tonight and I cannot get this answer right. A solution of water (Kf=1.86 ∘C/m) and glucose
4 answers
asked by
Emmalee
2,394 views
How many milliliters (ml) of 5 M MgCl2 must be added to 25 ml of a 0.5 M MgCl2 solution
to produce 1500 ml with a final MgCl2
4 answers
asked by
Abass
2,345 views
How do I prepare 80 mL of 0.10 M HC2H3O2 from a 6.0 M solution of Acetic acid?
How do I prepare 80 mL of 0.10 M NH3 from 6.0 M
4 answers
asked by
knswimmerkat
1,883 views
You are a work study student in our chemistry department. Amy, your supervisor has just asked you to prepare 250ml of 0.500M NH3
4 answers
asked by
Patricia
320 views
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Acids and Bases
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