Questions LLC
Login
or
Sign Up
Ask a New Question
Solutions and Concentrations
Page 2
Questions (550)
How much Na2CO3 would you weigh to prepare M/20 Na2CO3 solution in 100cm3 volumetric flask?
7 answers
asked by
Sylvia
3,440 views
What must be the molarity of an acetic acid solution if it has the same percent ionization as 0.150M HC3H5O2 propionic
4 answers
asked by
Tiana
905 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
4,876 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
4,398 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
4,946 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
7,853 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
1,885 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
1,738 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
896 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
2,902 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
1,728 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
1,701 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
3,944 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
6,118 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
957 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
3,743 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
1,119 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
7,652 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
3,565 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
4,386 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
2,049 views
Describe how you would prepare 0.05 mol.dm-3 sodium carbonate in a total volume 250 mls.
4 answers
asked by
Tresford
2,847 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
7,362 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
3,123 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
2,434 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
1,511 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
1,922 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👌🤔
1,660 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
1,347 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
3,638 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
1,403 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
681 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
2,638 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
1,282 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
2,405 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
2,390 views
How to prepare 1 litre of 150 ppm of copper 2 from the metal
4 answers
asked by
Talent
1,029 views
A is a solution of tetraoxosulphate (vi) acid, B is a solution containing 1.4g of potassium hydroxide per 250cm3.
using the table
4 answers
asked by
poppy👌🤔
1,463 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
5,519 views
A 250.0 - ml aqueous solution contains 45.1 µg of a pesticide . Express the pesticide's concentration in weight percent , parts
4 answers
asked by
chemistry
329 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
2,401 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
2,356 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
1,889 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
323 views
1. A lab tech needs 1.00 L of 0.125 mol/L sulfuric acid solution for a quantitative analysis experiment. A commercial 5.00 mol/L
4 answers
asked by
AlphaPrimes
1,360 views
A 230.-mL sample of a 0.280 M CaCl2 solution is left on a hot plate overnight; the following morning, the solution is 1.10 M.
4 answers
asked by
Ashley
1,268 views
Followed by the total volume. Calculate the molarity of this solution: 0.521 mol NaCl;125 mL
4 answers
asked by
michelle
2,386 views
What is the pH of 1.0M Na2SO3 (aq)solution at 25C?
a) 3.40 b) 6.03 c) 10.60 d) 7.96 e) 10.40 How can I get ph from only the
4 answers
asked by
Mohamed
2,411 views
A beaker contains a solution that is 0.50 M in Au+3 ion and 0.25 M in Ag+ ion. A soultion of sodium chloride is slowly dripped
4 answers
asked by
Kelly
1,172 views
What volume of 16 M nitric acid must be diluted with distilled water to prepare 500.0 mL of 0.50 M HNO3?
3 answers
asked by
tiffany
3,168 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (16)
Acids and Bases
Analytical Chemistry
Biology
Chemical Equations
Chemical equations and reactions
Chemical Reactions
Chemistry
Chemistry or Science
Environmental Chemistry
Laboratory Equipment and Techniques
Laboratory Reagents
Laboratory Techniques
Organic Chemistry
Physical Chemistry
Science and Chemistry
Stoichiometry