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Concentration calculations
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Questions (757)
At a high temperature, the equilibrium constant for the decomposition of hydrogen iodide is 65.0. If the initial concentration
3 answers
asked by
Laura
1,306 views
0.0045 M HNO3 calculate the H3O concentration
2 answers
asked by
Caleb
681 views
Calculate the concentrations of all species in a 1.22 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous
3 answers
asked by
anon
1,333 views
calculate the molality, molarity, and mole fraction of NH3 in an 12.80 mass % aqueous solution (d=0.9651 g/ml)
3 answers
asked by
maria
2,209 views
. Four tablespoons of extract are mixed with 240 ml of oral suspension base. What is the final concentration of the suspension?
3 answers
asked by
KILL
1,021 views
How many milliliters of a 5.0 M H2SO4 stock solution would you need to prepare 123.5 mL of 0.48 M H2SO4?
4 answers
asked by
Web
1,218 views
Calculate the concentrations of all species in a 1.67 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous
5 answers
asked by
Johnny
1,658 views
A solution household bleach contains 5.25% NaClO, by mass. Assuming that the density of bleach is the same as water(1.0g/ml).
4 answers
asked by
Katherine
7,217 views
I have 93.954 mL of a generic cola solution. The solution contains:
Molarity of H++1.005e-7 Molarity of OH- = 1.005e-7 Molarity
3 answers
asked by
Emily
706 views
An aqueous solution of H2SO4 is 60.0 % H2SO4 by mass. The density of the solution is 0.968 g/mL .
I need to find the Molality,
3 answers
asked by
Sara
685 views
The concentration of sodium chloride in an aqueous solution that is 2.23 M and that has a density of
1.01 g/mL is __ % by mass.
5 answers
asked by
JBS
3,441 views
If 0.50 mol of iodine and 0.50 mols of chlorine are initially placed into a 2.00-L reaction vessel at 25 Degrees Celsius, find
4 answers
asked by
John L
1,383 views
A bottle of win contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is .79 g/mL. Calculate the concentration of
3 answers
asked by
Jessica
1,753 views
I'm having trouble solving this percentage concentration problem:
A student wants to make 5.00% solution of rubidium chloride
3 answers
asked by
michelle
593 views
How many grams of magnesium chloride are in 75.0 mL of a 200 M solution of magnesium chloride in water? porbvide working out
3 answers
asked by
p
43 views
If 250 mL of an unknown acids was found to contain 0.45 moles of OH- ions, what concentrations was the unknown acids?
3 answers
asked by
star
305 views
Calculate the concentration of the nitrate ion in a solution made by mixing 45.0 mL of 1.50 M silver nitrate solution with 50.0
3 answers
asked by
Darcy
519 views
How many grams of sodium flouride should be added to 100000 litres of drinking water containing 0.6ppm of sodium flouride to
1 answer
asked by
Abihudi Agustino Paskalis
287 views
If you require 29.40 mL of 0.529 M NaOH solution to titrate 194.2 mL of H2SO4 solution, what is the concentration of the H2SO4
1 answer
asked by
Madi
457 views
to what volume should 25.0 mL of 15 M nitric acid be diluted to prepare a 3.0 M solution
3 answers
asked by
gaby
1,549 views
To prepare 5 mL of 1 mM glucose, how much glucose would you need to weigh? How do you prepare
1 mL of 1 mM NaCl using the NaCl
2 answers
asked by
Ethan
893 views
Determine the molar concentration of ethanol (C2H6O) in a wine that is 14% ethanol by mass. The density of this wine is 0.93
4 answers
asked by
Sam
2,478 views
If you dilute 19.0 mL of the stock solution to a final volume of 0.350 L , what will be the concentration of the diluted
3 answers
asked by
Victoria
1,524 views
how many ml of 0.200m NAOH solution contain 2.00g NaOH(MW =40.00
3 answers
asked by
Tapiwa
313 views
a 25% by mass H2SO4 solution has a density of 1.07 g/cm3 how much solution contains 13.37 g of H2SO4
3 answers
asked by
Annette lobos
1,076 views
How much concentrated 12 M HCl is needed to prepare 200 ml of a 2.5 M solution?
4 answers
asked by
Sam
762 views
Two acid solutions are to be mixed together. Solution A is 30% acid by volume. Solution B is 70% acid by volume.
The 800
2 answers
asked by
Amy
990 views
The density of 2 molal aqueous solution of NaOH is 1.10gm/L. Calculate the molarity of the solution.
4 answers
asked by
Neill
3,092 views
I want to make up a 180g/l solution acid using 98% Sulphuric Acid. How much H2SO4 do I use should I make a stock solution first.
3 answers
asked by
Jillian
993 views
At 20°C, an aqueous solution that is 18.0% by mass in ammonium chloride has a density of 1.0512 g/mL What is the molarity of
3 answers
asked by
Veronica
1,721 views
A 7.00 g sample of KCl is dissolved in 81.0 mL of water. The resulting solution is then added to 28.0 mL of a 0.790 M CaCl2(aq)
3 answers
asked by
JC
621 views
Complete this table of initial and final concentrations
HF(aq) + KOH(aq) <-> KF(aq) + H20(l) Initial concentrations: HF-2.0M
4 answers
asked by
Cat
3,069 views
At the start of the reaction there are 0.714 mole of H2, 0.984 mole of I2, and 0.886 mole of HI in a 2.70 L reaction chamber.
3 answers
asked by
Amy
621 views
how many militers of a 2.0M solution is required to prepare 50ml 0f a 0.3M solution
2 answers
asked by
Anonymous
635 views
If you add 8g of benzoic acid to 92g of an ointment base, what is final concentration (w/w) the product? _______________
3 answers
asked by
Betty
1,960 views
Calculate the concentrations of H2SO3, H3O+, HSO3-, and SO32- in a 0.025 M H2SO3(aq) solution
3 answers
asked by
chamy
2,363 views
Calculate the solid needed to make a 250ml solution that is 0.34M in sodium cation, using sodium sulfate decahydrate. I came up
3 answers
asked by
Denise
2,944 views
how will u prepare 500g of aqueos solution which is 10% NaOH by mass?(%W/W)
3 answers
asked by
yui
1,005 views
Hi I just wanted to verify a few answers to chem questions I'm working on. Was wondering if anyone could help?
1. Calculate the
3 answers
asked by
Andre
1,087 views
need help with these problems:
The concentration of glucose in blood is usually about 0.10% (w/v). If 7.0 L of blood are in an
3 answers
asked by
ellen
1,518 views
If the initial concentration of AB is .250 M, and the reaction mixture initially contains no products, what are the
4 answers
asked by
Ashton
1,391 views
How would I go about doing this question, can someone explain it step by step please, my answer I keep getting is 1.17m CaCl2,
4 answers
asked by
DrFunk
1,651 views
A student placed 12.5 of glucose (C6H12O6) in a 100ml volumetric flask, added enough water to dissolve the glucose by swirling,
3 answers
asked by
tomi
1,618 views
calculate the concentration of an acetic acid solution prepared by mixing 13.5ml of 10.0M acetic acid with 250.0ml
of 0.15M NaCl
3 answers
asked by
chanty
149 views
You have a solution of 0.250 M NaCl. If you boil away 2/3 of the volume of water, what is the concentration of this solution?
3 answers
asked by
Anonymous
150 views
What volume of a 15.0% by mass NaOH solution, which has a density of 1.116 g/mL, should be used to make 4.95 L of an NaOH
3 answers
asked by
trump
743 views
What volume of 2.30 M potassiom iodide, KI, solution is needed to prepare 250.0 mL of .220 M potassium iodide solution? Find
4 answers
asked by
leo
588 views
25.0cm3 of a solution containing 2.0g of NaOH per 250cm3 of a solution of H2SO4 for complete neutralization. Calculate the
3 answers
asked by
poppy
457 views
calculate the normality and molariy of 1.7g sodium oxalate solutionof 250ml
1 answer
asked by
mongare
459 views
120g of sodium hydroxide pellets dissolve in 800cm3 of its solution. Determine the mass concentration of the solution
3 answers
asked by
fatima
399 views
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