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Concentration calculations
Page 7
Questions (747)
35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ____
1 answer
asked by
Betty
373 views
10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.110 M NaOH.
What was the initial concentration
2 answers
asked by
Anonymous
495 views
Can you please show me how to answer this question using C1V1=C2V2
A scientist receives a vial containing a protein at at
1 answer
asked by
Mandy
354 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
3 answers
asked by
Kate
660 views
describe the preparation of 100mls of 1,0M from concentrated HCL?
1 answer
asked by
LT
375 views
A stock solution is prepared by adding 20mL of 0.2M Na3PO4 to enough water to make 80mL. What is the Na+ concentration of 20mL
3 answers
asked by
Kev
917 views
if a student used 12.45mL of their NaOH solution to neutralize 10.00mL of a 0.543 KHP solution, then what is the concentration
2 answers
asked by
danielle
493 views
A 11 mL sample of a solution of AlBr3 was diluted with water to 23 mL. A 15 mL sample of the dilute solution was found to
3 answers
asked by
Kate
546 views
If you want to determine the actual salicylate concentration for a sample that gives you a darker color than the highest
1 answer
asked by
Dreamland11
446 views
Make 300 mL of a 0.4M NaOH solution.
3 answers
asked by
Jane
376 views
A solution of .12 L of 0.160 M KOH is mixed with a solution of .3 L of 0.230 M NiSO4.
the equation for this reaction is: 2KOH
2 answers
asked by
Colin
605 views
How man grams of Fe+3 are required to make 1.0L of an aqueous solution of 10 ppm Fe+3: (Assume the densit of water is 1.00g/mL)
1 answer
asked by
Margaret
308 views
Calculate the concentrations of the following solutions, assuming the volumes are exact measurements:
a. 18.64g of sodium
2 answers
asked by
Bekah
490 views
how many grams of sodium choloride is needed to prepare 600ml of 9% saline solution?
1 answer
asked by
maribel
364 views
Calculate the volume of a 36% solution of hydrochloric acid (density = 1.50g/mL, molar mass = 36 g/mol) required to prepare 9
2 answers
asked by
Stephanie
734 views
The density of a 50-%(w/w) solution of NaOH is 2.0 g mL-1. How much of this solution is needed to prepare 1.0 L of 0.10 M NaOH?
1 answer
asked by
Aleah
346 views
how many grams of sucrose would you need to prepare 10 mK of ,o1M solution of sucrose(FW+342g/mole)? show your work
1 answer
asked by
milly
469 views
Hydrochloric acid is sold as a concentrated acqueous solution.
If the molarity of HCl is 12.0 and its density is 1.18 g/ml.
4 answers
asked by
Daniel Forero
598 views
How many grams of CaCl2 would be required to be added to water to prepare 1liter (1000ml) of a 1.72% (w/v) aqueous solution of
2 answers
asked by
Tina
531 views
Determine the concentration of a calcium chloride solution if 1.75 L of the solution contains 0.125 mol of calcium chloride.
3 answers
asked by
Rachel
492 views
An aqueous solution has a vapor pressure of 81.1 at 50 . The vapor pressure of pure water at this temperature is 92.6. What is
2 answers
asked by
Jesse
1,008 views
Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar
2 answers
asked by
Kevin
972 views
What volume of 2.5% (w/v) KOH can be prepared from 125 mL of a 5.0% KOH solution?
6 answers
asked by
Madison
1,690 views
how many grams of NaOH are needed to make a 30% w/w solution using deionized water as the solvent
1 answer
asked by
Wanda
453 views
how many grams of KCL are required to make 5.0ml of a 35% w/v solution?
1 answer
asked by
billie
435 views
a 50.0 ml sample of a 15% (m/v) solution of H2SO4 is added to water to give a final volume of 250.0 ml. What would the final
3 answers
asked by
Kat
617 views
How would you make 450 mL of a 0.250 M NaOH solution?
1 answer
asked by
Craig
626 views
How many grams of sodium chloride do you need to prepare 250 mL of a 5.00% (w/v) sodium chloride solution?
1 answer
asked by
Jackie
726 views
What volume of 6.48 M HNO3 is required to
prepare 301 mL of a 1.2 M HNO3 solution? Answer in units of mL.
2 answers
asked by
Anonymous
558 views
Once I have the molarity for KHP which is 0.0027 M, and i add 14.48 mL of NaOH to the solution, what is the concentration of
5 answers
asked by
Car
605 views
I need to be able to describe how to prepare 20 mL of a 0.0050 M KIO3 solution from a stock solution with a concentration of
1 answer
asked by
Kelli
1,044 views
How many grams of NaCl are dissolved in 250 grams of normal saline solution
4 answers
asked by
mm
1,316 views
how many grams of a stock solution that is 85% H2SO4 by mass would be needed to make 150 grams of a 45.0 percent solution?
2 answers
asked by
jimmy
921 views
You need 550. mL of a 4.9% (m/v) glucose solution. If you have a 23 % (m/v) glucose solution on hand, how many milliters of this
3 answers
asked anonymously
22 views
How would you prepare a 250 mL solution of 0.45 M from a stock solution of 5.5 M?
4 answers
asked by
Latroy33
363 views
How do I prepare 40% v/v from 95% ethanol? When we say 95% ethanol, do we usually mean 95% w/w ethanol unless otherwise stated?
P
1 answer
asked by
annie
491 views
A chemist mixes some 20% acid solution with pure 100% acid to increase the concentration. How much pure acid and acid solution
2 answers
asked by
jenny
581 views
1. What is the amount of oxalate in 2 mL of 0.035M solution?
a) 7 ¡Á 10¨C2 mole b) 1.75 ¡Á 10¨C2 mole c) 7 ¡Á 10¨C5 mole
4 answers
asked by
Lucinda
1,650 views
How much of an 18% solution of sulfuric acid should be added to 360 ml of a 10% solution to obtain a 15% solution?
2 answers
asked by
Derron
524 views
If I need 600ml of a 0.5M NaOH solution and I am given 3M of NaOH, how much NaOH will I need?
1 answer
asked by
Mc. K
316 views
How do you calculate the number of mL you would use to prepare 5.0 L of 0.20 M NaOH from a 5.23 M stock solution.
7 answers
asked by
laney
362 views
A student is given a stock solution of 1.54E-04 M. How much stock solution is needed to
make 100 mL of a 1.60E-05 M solution?
1 answer
asked by
Anonymous
382 views
Calculate the grams of HNO3 in 35.0 ml of a 6.00 M HNO3 solution
2 answers
asked by
jessica
587 views
how much solute is needed to prepare 450ml of a 2.0% (m/v) potassium chloride solution?
2 answers
asked by
shaneka
499 views
How do I calculate 25.00mL of 5.0*10^-4 M of FeSCN^2+ using 0.002 M Fe(NO3)3, 0.002 M KSCN, 0.1 M of HNO3 and water?
1 answer
asked by
Kristen
444 views
5.00 mL of .00500 M ferric nitrate is added to 5.00 mL of nitric acid and 10.0 mL of .00250 M thiocyanate solution. Calculate
3 answers
asked by
Jessica
449 views
How many milliliters of 5.50 M H2SO4 must you use to prepare 500.ml of 0.2 M sulfuric acid solution? I know I need to use the
2 answers
asked by
Dawn
480 views
Ronni has a bottle of peroxide that states it is 70% peroxide. If the bottle contains 16 ounces, how many ounces are not
3 answers
asked anonymously
163 views
What mass of substance would be needed to prepare these solutions:
1) 400ml (cm3) at 5% weight/volume 2) 50ml (cm3) of NAOH at
1 answer
asked by
jess
359 views
A student placed 17.5 g of glucose in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully
2 answers
asked by
Ana
1,487 views
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