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Concentration calculation
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Questions (239)
Calculate the hydronium and hydroxide concentration of a solution made by mixing 100 mL 0.020 mol/L NaOH and 25.0 mL of 0.040
4 answers
asked by
Hal
1,097 views
Calculate the concentration of HC6H6O6- in an aqueous solution of 0.0851 M ascorbic acid, H2C6H6O6 (aq).
I do not know how to
3 answers
asked by
Hannah
711 views
If 10.0g of CaCl2 and 10.0g of NaCl are dissolved in 100.0mL of solution, what is the concentration of chloride ions? (the molar
2 answers
asked by
Casey
773 views
How would you calculate the concentration of an aqueous solution of Ca(OH2)that has a pH of 12.57.
2 answers
asked by
kia
735 views
How many milliliters of a 2000.0 mg/dl stock solution are needed to prepare 100.0 ml of a 150.0 mg/dl working solution?
4 answers
asked by
Jessi
1,132 views
HELP!! 1.20g of sodium hydrogen sulphate was made into 100cm3 standard solution. 25cm3 of this solution was neutralised by
3 answers
asked by
BOB
422 views
prepare 500ml of a 1.25mol/l solution of sodium hydroxide
3 answers
asked by
stwearsd
512 views
If a solution is made by dissolving 1 g NaCl in sufficient water to make 10 mL of solution, the composition of the solution is
6 answers
asked by
Jack
478 views
An 8 Molar (aqueous) solution contains H2O and HNO3. The solution has an S.G. of 1.24 at 25oC. HNO3 is a strong acid that
3 answers
asked by
Dodes
972 views
25.0 mL of a 0.1067 M Solution of nickel (II) sulfate is diluted to 250 mL with water. 10 mL of this solution is taken and
3 answers
asked by
Anonymous
649 views
1.) A biochemistry student wants to make 4 liters of a phosphate solution using 48.6 g Na2HPO4 (FW=141.96) What is the
3 answers
asked by
Jon
645 views
Can someone please help me out here?
I've tried several times and i keep getting the wrong answer :( lol A small crucible is
3 answers
asked by
Tawnya
434 views
25.0mL of an acidic 0.100 mol/L tin (II) chloride solution required an average volume of 12.7 mL of potassium dichromate
3 answers
asked by
Sam
524 views
The absorbance of a chlorophyll a standard solution in ethanol (density = 0.785 g/mL) is measured in
a 1.3 cm cuvette or path
6 answers
asked by
Anonymous
635 views
A chemist has two ethylene glycol and water solutions: one that contains 11.98% ethylene glycol and another with 7.30% ethylene
3 answers
asked by
Mathieu
559 views
Calculate [H3O ], [ClO4–], and [OH–] in an aqueous solution that is 0.130 M in HClO4(aq) at 25 °C.
[H+]= [ClO4-]= [OH-]=
4 answers
asked by
Sevy
1,318 views
If 2.00 liters of 0.580 M CuSO4 solution is electrolyzed by passing 1.70 amps through the solution for 2.00 hr using inert
2 answers
asked by
Mango
1,038 views
Potassium hydrogen phthalate (molar mass = 204.2g/mol) is used to standardize sodium hydroxide. If 26.37 mL of NaOH(aq) is
4 answers
asked by
Steve
1,021 views
1. What is the [K+] of a solution prepared by dissolving 0.140 g of potassium hydroxide in
sufficient pure water to prepare 250.0
3 answers
asked by
nelson
1,455 views
The following equation is given:
S2O3 -2 + 2H +1 ---> S + SO2 + H2O [HCl] = 2 mol/L [Na2S2O3]= 0.3 mol/L what is the
2 answers
asked by
Stephanies
1,224 views
In a reaction you use 400 ul of 12mM B-galactosidase. Add 2.3 ml of buffer and 0.3ml of ONPG to a cuvette. what is the final
3 answers
asked by
Jane
562 views
You have a solution that contains 12.0 g of NaCl in 50.0 g of water. Calculate the NaCl concentration in units of...
mass percent
1 answer
asked by
i have half the question just need someone to chec
457 views
Calculate the concentration of a solution prepared by adding 15.00 mL of 2.10 X 10^-3 M KMnO4 from a buret into a 50.00 mL
1 answer
asked by
Sam
439 views
Calculate the concentration of a solution prepared by adding 15.00 mL of 2.10 X 10^-3 M KMnO4 from a buret into a 50.00 mL
1 answer
asked by
Lyndsay
465 views
label 5 tubes 1-5. Ad 1.50 ml of diluent to each tube. to the first tube, add 500 ul of 1.00 M glucose and mix. transfer 500 ul
1 answer
asked by
chidera
462 views
If [N2O5]0 = 0.078 mol/L, what will be the
concentration of N2O5 after 1.2 s? Answer in units of mol/L. I'm not sure how to even
2 answers
asked by
Asha
552 views
A solution is created using 2.1700 grams of Calcium Hydroxide (MW is 74.093) in a 1L volumetric flask. A 50 mL aliquot is then
1 answer
asked by
Sam
498 views
How many grams of NaCl would you need to make 500 ml of a 100 mM solution? the atomic weight of NaCl is 35.
I was not given a way
1 answer
asked by
Toddria A. Estes
426 views
This is my question Into a 500mL container a chemist introduces 2.0 x 10^-2 mol of N2(g) and 2.0 x10^-2 mol of O2(g). The
4 answers
asked by
George
7,624 views
10. Calculate the concentration of a solution made by diluting 10.00 mL of 0.1104 M HCl to 25.00 mL, then taking 10.00 mL of
2 answers
asked by
Sam
528 views
Sorry if I confused you. I miss-wrote my question.
My question was: How can I determine the concentration of HCl remaining in the
2 answers
asked by
Help!!
601 views
Calculate the molality, molarity, and mole fraction of FeCl3 in a 25.7 mass % aqueous solution (d = 1.204 g/mL).
2 answers
asked by
Anonymous
583 views
Suppose someone had an excessive Friday evening drinking party and then did the ultra-dumb thing of driving home while drunk.
1 answer
asked by
daniel miller
415 views
In an acid base titration 32.5 ml of sodium hydroxide were neautralized by 17.6 ml of 0.180 mol/l sulfuric acid. Calculate the
14 answers
asked by
Sandy
745 views
If you add 16g of salicyic acid to 84g of an ointment base what is the final concentration w/w of the product
2 answers
asked by
Brittany
549 views
How can I convert a rate constant from mol to t/M.I have 0.00012 mol of AcH
present at 5min .Know I want to calculate the
1 answer
asked by
Becky
352 views
What mass of solute is present in each aqueous solution?
40 mL of 6.0 mol/L, H2SO4, solution Soo I did: C=n/V 40 mL= 0.04 L C=
4 answers
asked by
julie
949 views
Can someone please explain how to do this
An equilibrium mixture at 225∘C contains 8.0×10−2M NH3 and 0.20M H2 for the
1 answer
asked by
Anonymous
443 views
You have combined the following: 7.92mL of 1.122M Fe(NO3)3(aq), 5.02mL of 1.849M NaCl(aq), and 7.09mL of water. What is the
1 answer
asked by
Jaden
359 views
74.0 mL of a 1.80 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 135 mL of
2 answers
asked by
Paul
579 views
How many mg of X is contained in 25 ml of a solution giving an absorbance of 0.250 at 400 nm when measured with a 1 cm cell ?
1 answer
asked by
AREEJ
270 views
calculate the concentration of the products of the following equilibrium when the equilibrium constant is 12.3 and the
4 answers
asked by
Tara
551 views
I figured all the parts of the problem except for the last one. Can you tell me what to do?
In the preparation of a mustard
2 answers
asked by
Kelli
603 views
Calculate the concentration in Moles for a 5mgMgCl2 sample in 2L of solution. Then how many ions are in it?
1 answer
asked by
cutiepie
293 views
Is this true? Explain.
To make a 100 osmolar solution of magnesium chloride, 60g of the salt are placed in a liter of water.
2 answers
asked by
Anne
606 views
15g of potassium chloride is diluted in 2L of sterile water for injection. What is the final perccent strength (w/v)? ____
3 answers
asked by
Jean
385 views
given the concentration of 125.0mg/L of Fe(2+)in the stock solution and the volume used which is (1.00mL) how do i calculate the
1 answer
asked by
Anonymous
444 views
calculate the concentration of silver nitrate in mol/L M x V =0.2
average Vw in ml of 2.23 2.26 2.43 MxVw = Mwx20 Mw=? mol/L
2 answers
asked by
lynda
903 views
if you start with 300g of lead acetate in 850ml of water what is the Pb^2+ concentration at a pH of 4.8?
1 answer
asked by
JM
367 views
I ahve to find the concentration of product, (Fe(SCN)^2+) at equilibrium.
We have to use the equation k=A/C I have the value for
5 answers
asked by
Hannah
364 views
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Parent Categories (49)
Acid solutions
Acid-Base Chemistry
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