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Concentration calculation
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Questions (239)
I have to calculate the concentration of I2 produced (# of moles of I2 produced / L) based on the stoichiometric ratio in the
5 answers
asked by
Hannah
1,073 views
You need 123 mL of 0.245 M NaOH solution for a certain experiment, and the only solution available in the lab is 1.252 M. How
2 answers
asked by
Thao
536 views
if 5.00 g of ethanol is added to 15.0g of whater, what is the % concentration of ethanol in water??
1 answer
asked by
kate
367 views
Thanks a lot:)
So just to confirm: normally for any chemical bought from manufacturer, if it is not stated, the % usually means
2 answers
asked by
annie
864 views
Consider the following equilibrium:
PCl3 + Cl2 = PCl5 Kc=26 @ 250 degree Celcius 1.0 mol of PCl3 , 1.0 mol of Cl2 , and 5.0 mol
4 answers
asked by
AMI
1,368 views
A student added solid K2O to a 750.0 mL volumetric flask. The solid was dissolved in water and then the flask filled with water
2 answers
asked by
Mark
574 views
If the initial concentration of AB is 0.210 M, and the reaction mixture initially contains no products, what are the
1 answer
asked by
Kyle
824 views
calculate the molarity of sodium in 12.4g of sodium acetate diluted in 100mL of ID water, and calculate concentration of both
1 answer
asked by
Samah
488 views
You have a stock solution of 15.0 M NH3 . How many milliliters of this solution should you dilute to make 1200ml of 0.280 M NH3?
2 answers
asked by
Melissa
897 views
If I'm given 0.025 molar solution of Li2SO4(aq) and I have to find the concentration of each ion, how would I go about doing it?
1 answer
asked by
Ally
392 views
1. You dissolve 157.1 g of ammonium nitrate in a 250 mL volumetric flask and add water to the mark (call this solution A). You
1 answer
asked by
Kelsey
613 views
The concentration and volume of reagents combined in each trial are listed in the table below:
Trial 00020 M 00020 M H2O(mL)
3 answers
asked by
Amy
785 views
A piece of nickel is placed in a beaker with 350 mL of copper (II) sulfate. Calculate the concentration of the copper (II)
3 answers
asked by
Michelle
1,383 views
The label of a 10 g vial states the you are to add 176 mL to get a concentration of 500 mg/mL. What is the powder volume?
1 answer
asked by
Bree E
361 views
I would appreciate very much If you guys could show me how to approach this problem.
A solution is prepared by dissolving 10.8g
4 answers
asked by
claudia
787 views
Well I almost understand this question but still got stuck, I will show you the question and my answer so I need someone to tell
3 answers
asked by
Linda
483 views
A stock solution containing manganese ions was prepared by dissolving 1.542 g pure manganese metal in nitric acid and diluting
1 answer
asked by
Jayd
901 views
A 0.21g sample of sulfuric acid is dissolved completely in sufficient water to make 0.25 litre of final solution. Calculate the
1 answer
asked by
Hol
446 views
A strip of zinc metal was placed in a beaker that contained 120mL of a solution of copper(2) nitrate, Cu(NO3)2(aq). The mass of
4 answers
asked by
Kristien
2,986 views
describe how you would make a 2.5L of a .100M KCL solution from a 5.5M stock solution
4 answers
asked by
lily
2,053 views
0.000333 g fluorescein (332.32 g/mol) is dissolved in 225 mL solution of ethanol. The density of ethanol is 0.785 g/mL.
What is
4 answers
asked by
Vince
1,982 views
Calculate the concentration of all species in a 0.130M solution of H2CO3
Enter your answers numerically separated by commas.
3 answers
asked by
kales
1,925 views
During a titration experiment, a 150.0 mL solution of 0.05 M sulfuric acid (H2SO4) is neutralized by 300.0 mL solution with an
3 answers
asked by
Summer
1,607 views
The ksp for Ce(IO3)3 is 3.2E-10. What is Ce^3+ concentration in a solution prepared by mixing 60ml of 0.025M Ce^3+ with 40ml of
4 answers
asked by
Kyle
1,560 views
CoCl2<->CO+Cl2
Keq=7.6*10^-4 M CoCl2 is introduced in a closed container until its concentration is .890 M. What will be the
3 answers
asked by
Sara
1,458 views
A magician makes potions by combining maple syrup from a magical maple tree with ordinary water. The magician starts with a
1 answer
asked by
alice
49 views
Calculate the equilibrium concentration of NH3,Cu^2+,[ Cu(NH3)]^2+ ,[Cu(NH3)2]^2+,[Cu(NH3)3]^2+,and[Cu(NH3)4]^2+ in a solution
1 answer
asked by
jack
1,304 views
A buffer solution is prepared by adding 14.37g of NaC2H3O2 and 16.00g of acetic acid to enough water to make 500mL of solution.
W
2 answers
asked by
Hannah
1,211 views
Given the following equation:
SO2 + NO2 <--> SO3 + NO At 25 Celcius, 2.00 mol of each of SO2 and NO2 are introduced into a 1.0L
1 answer
asked by
Lily
1,191 views
A 160.8mL sample of NaCl(aq) is reacted in 44.5mL of 1.23mol/L KMnO4(aq). What is the concentration of NaCl?
1 answer
asked anonymously
34 views
It takes 62 mL of 0.124 M KOH to neutralize
46.7 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in
2 answers
asked by
cheri
1,104 views
A sample of 9.4 grams of NaOH is dissolved into 693 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then
2 answers
asked by
May
1,132 views
I am using 85% ACS grade phosphoric acid. I need to make a 21% phosphoric acid solution with a total volume of 250ml. I have
2 answers
asked by
Melissa
1,134 views
Calculate the concentration of all species in a 0.145M solution of H2CO3
2 answers
asked by
Kris
1,073 views
For a solution that is 0.280 M HC3H5O2 (propanoic acid Ka=1.3*10^-5) and 0.0894 M HI, calculate the following. Concentration of
2 answers
asked by
Joe
1,051 views
59.0 mL of a 1.40 M solution is diluted to a total volume of 278 mL. A 139-mL portion of that solution is diluted by adding 129
2 answers
asked by
lee
1,059 views
AgNO3 was dissolved in water to make 10mL of solution. Then 3.0mL of that solution was used to make a new solution with a total
2 answers
asked by
Anonymous
1,060 views
1.06g of Na2CO3 is dissolved in water to make 250cm^3 solution. 10.0 cm^3 of this solution was further diluted to make 500cm^3
2 answers
asked by
Gary
1,021 views
A 26.8 mL sample of an unknown HClO4 solution requires 46.8 mL of 0.101 M NaOH for complete neutralization. What was the
2 answers
asked by
hannah
1,014 views
Hydroxyapatite, Ca10(PO4)6(OH)2Ca10(PO4)6(OH)2 , has a solubility constant of Ksp = 2.34×10−592.34×10−59 , and dissociates
3 answers
asked by
TS
978 views
how many grams if sulfur must be dissolved into 1L of water to make a 2 molar solution?
2 answers
asked by
taylor
977 views
The reaction O2 ⇄ 2 O has a K=1.2x10-10. If a 1.7 L container holds 3.8 moles
of O atoms (and nothing else), what will the
1 answer
asked by
Kat
935 views
63.0 mL of a 1.30 M solution is diluted to a total volume of 248 mL. A 124-mL portion of that solution is diluted by adding 173
2 answers
asked by
Anonymous
946 views
Calculate the morality of a solution that contains a 4.0 mol of a solute dissolved in 12.0L of solution
3 answers
asked by
Francesca
851 views
We had a lab where the standard solution was potassium hdrogenphthalate. In this we added 3 drops of phenolphtalein indicator
3 answers
asked by
Amanda
858 views
How much 2.5mM solution of NaCl can be made from 30g of this pure salt?
2 answers
asked by
margrav2
815 views
Calculate the concentration of aqueous solution of barium hydroxide whose pH is 12
3 answers
asked by
Momito
830 views
How many grams of potassium phosphate must be dissolved in 3.75 Liters of water to produce a soltuion that contains 8*10^23
2 answers
asked by
Whitney
835 views
A solution is prepared by dissolving 0.12 mol of acetic acid and 0.12 mol of ammonium chloride in enough water to make 1.0 L of
2 answers
asked by
Emma
811 views
A titration was performed in which 56 ml of a .022M HCL solution was used to titrate 50 ml of a PB(NO3)2 solution
a) what was
1 answer
asked by
MAX
812 views
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