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Solutions and Concentrations
Page 7
Questions (549)
A stock solution was prepared by dissolving exactly 0.4000 g of pure ASA (180.16 g/mol)
in 10.00 mL of NaOH and heating the
4 answers
asked by
ChEm
1,339 views
Calculate the molarity of a solution prepared by dissolving 10.0 grams of NaOH and then diluting the solution to 500mL.
4 answers
asked by
Anonymous
1,338 views
calculate the value of water that is needed to dissolve 1.11 g of CaCl2 in order to prepare a 0.0250 M CaCl2 solution?
4 answers
asked by
shanta
1,318 views
A is a solution of trioxonitate acid of an unknown concentration, B is a standard solution of sodium hydroxide containing 4.00g
2 answers
asked by
AROWOLO TEMITOPE
1,280 views
you are given one litre each of 0.5 M HCL and 0.2 M HCL. How should they be mixed so as to give maximum volume of 0.4 M HCL.
4 answers
asked by
mehreen
1,274 views
A 360mg sample of sugar (molar mass of 180 g/mol) is dissolved in enough water to produce 200mL of solution. after the sugar is
4 answers
asked by
Jacke
1,296 views
A 112 mL solution of 0.351 M HCl is added to 52.0 mL of 0.161 M HCl. What is the new concentration of HCl?
4 answers
asked by
Madison
1,256 views
The question is: Isotonic saline is a 0.9% (g/100ml) solution of salty water. You are asked to make up 2L of isotonic saline.
2 answers
asked by
Rachael
1,226 views
A chemist wants to be a supercook and wants to create 8%(m/v) acetic acud solution to be "extra strength" vinegar. if pure
2 answers
asked by
Kate
1,221 views
a 30.0 ml solution of potassium nitrate was diluted to 125 ml and 25 ml of this solution were then diluted to 150 ml. the
4 answers
asked by
Carol
1,148 views
A 1.33 m solution of the solute diethyl ether dissolved in the solvent tetrahydrofuran is available. Calculate the mass(kg) of
3 answers
asked by
Luc
1,176 views
You are a lab technician and must create 250 ml of a 17% salt solution. You have available three stock solutions. You have a one
4 answers
asked by
Fatih
1,153 views
You are tasked with preparing a 500mL nutrient solution containing 5mg/L of phosphorous
(P), 3mg/L nitrate (NO3 -) and 100 mg/L
3 answers
asked by
Bruce
1,134 views
In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure.
2 answers
asked by
Tracy
1,112 views
Determine the Molarity of a 125 mL NaOH solution if upon titration with 5.5 mL of an 2.5 M HCl solution, the end point of the
2 answers
asked by
liz
1,107 views
An ethylene glycol solution is mad using 58.5g of (C2H6O2) and diluting to a total volume of 500.0 mL. Calculate the freezing
1 answer
asked by
Monique
1,087 views
You wish to prepare 0.18 M HNO3 from a stock solution of nitric acid that is 18.9 M. How many milliliters of the stock solution
4 answers
asked by
Brittany
1,110 views
a solution is prepared by dissolving 3.7500grams iron(III) oxalate in enough water to make 125.00mL of solution.
1. what is the
2 answers
asked by
Anonymous
1,114 views
Calculate the freezing point of a water solution at each concentration.
1.40m? What are the steps to calculate this?
4 answers
asked by
Luis
1,090 views
how would you make 500.0mL of a 0.200M NaOH solution from a 15.0 M stock NaOH solution??
I assume that you want the volumes
1 answer
asked by
Mel
1,115 views
How many milliliters of a 0.50 M solution contain 14.0 g of BaCl2 (Barium Chloride)?
2 answers
asked by
Emily
1,058 views
I am not sure if I calculated the exact molarity of the potassium permanganate. I multiplied the molarity of the potassium
2 answers
asked by
Zach
1,103 views
calculate how many mL of 6M HCL are needed to prepare 100mL HCL solution with a concentration of ~1M?
3 answers
asked by
jj
1,093 views
Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of
1 answer
asked by
Anonymous
1,054 views
Use Ksp to find the concentration of an ion in a saturated solution. Consider a 2.50E-3 M solution of Al2(SO4)3.
(a) What [OH^-]
2 answers
asked by
Jo
1,053 views
Describe in detail the steps one would go through to make (in reality) 500mL of a 0.1M solution of cobalt(II) chloride from a
5 answers
asked by
Sarah
1,040 views
From a 1M Tris solution, how is a 400ml of 0.2 M Tris prepared? I have no idea where to start
1 answer
asked by
Dave
1,050 views
72.0 ml of a 1.50 M solution is diluted to a volume of 288 mL. A 144 mL portion of that solution is diluted using 185 mL of
2 answers
asked by
Anonymous
1,023 views
Sea water contains an average of 270 ppm of sulfate ion. Calculate the molar concentration of sulfate given that the average
1 answer
asked by
xavier
1,049 views
How much water must be added to 6 mL of a 0.05M stock solution to diltue it to 0.02M ?
The answerI got is 15 mL. Is this correct?
2 answers
asked by
Shadow
999 views
To prepare a 400 mL solution of .7500 M NaC2H3O2, how many grams of NaC2H3O2 would be needed?
I am wondering if I set this up, I
2 answers
asked by
becs
1,017 views
If I have 1.00 mM NaCl and 4.32 mM NaCl, how do I calculate the ionic strengths of each? Thanks
2 answers
asked by
Anon
983 views
A solution is made by adding 5.0 g Na2CO3 * 10H2O to enough water to make a 500 mL solution. what is the molarity.
I have: M=mol
2 answers
asked by
Maggie
1,001 views
Molality of sulphuric acid is 8.01m and its density is 1.354g/ml. Find molarity and mole fraction of sulphuric acid?
3 answers
asked by
Snehal bhoir
996 views
A is a solution of trioxonitrate (V) acid. HNO of unknown concentration B is standard solution of sodium hydroxide containing
2 answers
asked by
EMMANUEL
988 views
Hello,
I'm having some trouble getting started on this question: "Calculate the volume and mass required to make 0.1 M solutions
6 answers
asked by
Leo
1,002 views
Calculate the molality of acetone in an
aqueous solution with a mole fraction for ace- tone of 0.171. Answer in units of m
2 answers
asked by
cheri
970 views
A 25.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to
2 answers
asked by
Tim
979 views
If 25 ml of bromine, a liquid element at room temperature, is added to 100 ml of water, what would be the resulting molar
2 answers
asked by
Lady L
967 views
Calculate the volume of 1.80 M \rm Na_3PO_4 in milliliters that contains 6.00 g of solute.
2 answers
asked by
Jeff
946 views
The answeres to the previous post was not what I am looking for...so please try to help me.....
How can I make various
2 answers
asked by
Anonymous
940 views
you have 57.0 mL of a 2.00 M stock solution that must be diluted to 0.500 M. how much water should you add?
2 answers
asked by
Anonymous
921 views
the density of a certain aqueous solution is 1.17g/ml, and the solution is 3.57% by mass NaOH. how many ml of this solution
3 answers
asked by
Lyndsey
960 views
How many mL of 3.00M HNO3 would you need to make exactly 100mL of 0.83 HNO3 by dilution with water? (The FM of HNO3 = 63.0.)
3 answers
asked by
Lauren
933 views
Calculate the hydrogen ion concentration of a 3.55×10-4 M solution of the strong base KOH. Round your answer to 3 significant
2 answers
asked by
kathy
947 views
Use activity coefficients to find the concentration of hydrogen ions in a solution of 90.0 mM butanoic acid and 0.05 M NaCl. The
1 answer
asked by
Elena
947 views
A volume of 57 mL of 0.040 M NaF is mixed with 19 mL of 0.10 M Sr(NO3)2. Calculate the concentrations of the following ions in
2 answers
asked by
Marco
948 views
I still need help with this problem...
Calculate the concentration of the solution the molality of hydroxide ions in a solution
2 answers
asked by
Trixie
944 views
In a 1.0x10^-6 M soltution of HNO3(aq), identify the relative molar amounts of these species.
H2O , HNO3, H3O+,NO3-, OH-
3 answers
asked by
Alexis Moran
936 views
1. Molarity is to moles of solute over liters of solution as molality
is to A. molar concentration over molal concentration. B.
2 answers
asked by
Jack
920 views
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Parent Categories (16)
Acids and Bases
Analytical Chemistry
Biology
Chemical Equations
Chemical equations and reactions
Chemical Reactions
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Environmental Chemistry
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Laboratory Reagents
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Stoichiometry