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Concentration calculations
Page 8
Questions (747)
A 50ml sample of vinegar is titrated with 0.774M NaOH(aq). If the titration requires 41.6ml of NaOH(aq), what is the
2 answers
asked by
Steve
845 views
A student placed 10.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then
2 answers
asked by
anonymous
648 views
What volume ( L ) of the solute methanol should be added with 4450 mL of the solvent water to make a solution that is 0.443 m
1 answer
asked by
henry
400 views
Q. a 50g sample of Al(NO3)3 is dissolved in water to prepare 1500ml of solution. What is the concentration, in mol/L, of NO3
2 answers
asked by
wiz
552 views
i have a question about finding the concentration of a substance then changing it to a percent. i check over my notes and i
7 answers
asked by
diana
411 views
hi again, thanks to the previous help i got the first part of the question. the second part builds on the first part as we used
3 answers
asked by
Vanessa
627 views
an agueous solution of ethlylene glycol (C2H6O2) is 40% ethylene glycol by mass, and has a density of 1.05g/ml. What are the
2 answers
asked by
Gary
496 views
If you combine 2.00 ml 2.0 x 10^-3 M KSCN and 98.00 ml 2.0M Fe(NO3)3 what is the concentration of FeSCN?
I know the equation (V
1 answer
asked by
Emily
648 views
How many grams do you need to make 100 mL of a 0.1 M buffer?
I got .01 grams. Is that right? If not, will you show me the right
2 answers
asked by
Anonymous
515 views
Some of the problems. I honestly have no clue how to do these/where to look for answers.
What is the concentration of 5.28*10^14
1 answer
asked by
Justin
456 views
A bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration
3 answers
asked by
Anonymous
1,182 views
Ok so a quick question. I have the equation Ca3(PO4)2 --> 3Ca+2 + 2PO4-3
Sorr its confusing, int he first part the 3 4 and too
1 answer
asked by
Tracy
1,340 views
Calculate the normality and molarity of h2so4 solutions containing 4.9g of h2so4 per liter of solutions?
4 answers
asked by
San bir
5,198 views
commercially available concentrated hydrochloric acid is 37.0% w/w HCl. Its density is 1.18 g/mL. Using this information
4 answers
asked by
Anonymous
3,979 views
If you weigh out 2.083 g Fe(NO3)3·9H2O, what is the final concentration of the dilute Fe(NO3)3 solution that you make?
7 answers
asked by
Sarah
2,762 views
a little trouble with these, kindly help please
1) How many grams of vitamin B12 are present in a 100.0 mL blood serum sample
4 answers
asked by
topanga
2,342 views
How many milliliters of a stock solution of 2.00 M KNO3 would you need to prepare 250 mL of 0.150 M KNO3? Please show work.
3 answers
asked by
MEGAN!!!!
2,191 views
Concentrated phosphoric acid is 90% by mass and the remaining mass is water.The molarity of phosphoric acid in 90% is 12.2M at
4 answers
asked by
Joseph
2,096 views
the dencity of 3 molal solution of NaOH is 1.110g/mL calculate the molarity of the solution
4 answers
asked by
anant
1,802 views
what volume of water is required to make 0.20 M solution from 16 ml of 0.5 M solution?
5 answers
asked by
prateek
1,714 views
I need to find out what the total acid concentration is in Kool-Aid.
If 23.3 mL of 0.1043M NaOH neutralize a 60 mL solution of
3 answers
asked by
Julie
1,736 views
A 2.500×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and
3 answers
asked by
Jason
1,664 views
What volume of a 2.5 M stock solution of acetic acid (HC2H3O2) is required to prepare 100.0 milliliters of a 0.50 M acetic acid
5 answers
asked by
nhfgchnr
1,612 views
A student placed 10.5 g of glucose C6H12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then
3 answers
asked by
Cory
1,608 views
Commercially available concentrated sulfuric acid is 18.0 M H2SO4. Calculate the volume (in mL) of concentrated sulfuric acid
3 answers
asked by
Jen
1,544 views
Chandra has 2 liters of a 14% solution of sodium hydroxide in a container. What is the amount and concentration of sodium
3 answers
asked by
sara
1,478 views
What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O?
2. A solution is made by adding 1.23 moles of KCl to 1000.0 g
2 answers
asked by
Anonymous
1,441 views
I need help solving this question.. An aqueous solution of ethylene glycol (C2H6O2) IS 40% ethylene glycol by mass, and has a
4 answers
asked by
Linda
1,365 views
Calculate the concentration of KIO3(aq) present at the beginning of a reaction when 2.00 mL of 0.020 M KIO3(aq) is mixed with
3 answers
asked by
Jessie
1,357 views
Determine the hydronium ion concentration
in a solution that is 0.00027 M HCl. Answer in units of M. Determine the hydroxide ion
2 answers
asked by
Radio Active Wear
1,314 views
if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg
2 answers
asked by
Anonymous
1,314 views
concentrated sulfuric acid is typically 18.1 M H2 SO4. Calculate the volume in mL of concentrated sulfuric acid needed to
4 answers
asked by
Rachael
1,304 views
An aqueos solution is 65%(v/v) rubbing alcohol.How many millimeters of water are in a 95-mL sample of this solution?
2 answers
asked by
Hector
1,281 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
What mass of water (in grams) is needed to dissolve 28.7 g of ammonium nitrate NH4NO3 in order to prepare a 0.452 m (molal)
4 answers
asked by
Diana
1,266 views
A sulfuric acid solution containing 571.6g of H2SO4 per of solution has a density of 1.329g/cm3. Calculate (a) mass percentage
(b
7 answers
asked by
Anonymous
1,225 views
seawater contains approximately 3.5% NaCl by mass and has a density of 1.02 g/mL. What volume of seawater contains 1.0 g of
2 answers
asked by
Anonymous
1,189 views
A sulfuric acid solution containing 571.8gg of H2SO4 per liter of solution has a density of 1.329 g/cm3
Calculate the mole
2 answers
asked by
jordan
1,182 views
At a particular temperature, K = 3.75 for the following reaction.
SO2(g) + NO2(g) SO3(g) + NO(g) If all four gases had initial
3 answers
asked by
Erin
1,181 views
Assume that gaseous hydrogen iodide is synthesized from hydrogen gas and iodide vapor at 50 degrees celcius where the
3 answers
asked by
Anonymous
1,180 views
A solution is prepared by adding 45.0g of Na2SO4*6H2O to pure water to make 150mL of solution. What are molar concentrations of
2 answers
asked by
Kevin
1,182 views
At 25 degrees Celsius Ksp for CaSO4 is 2.5 x 10^-5 suppose 100mL of 0.5M Na2SO4 is mixed with 100mL of 1.65 M Ca(NO3)2 find the
3 answers
asked by
Elise
1,132 views
A saline solution contains 1.3% NaCl by mass. How much NaCl is present in 83.2g of this solution?
1 answer
asked by
Kelsey G
1,136 views
If the molality of a CaCl2 solution is .100 mol/kg, and was made from 500.0 mL of water, how many grams of CaCl2 were needed to
4 answers
asked by
Tim
1,163 views
how do i find the grams of potassium chloride per 100g of water in the saturated solution
3 answers
asked by
sam
1,106 views
What is the silver ion concentration in a solution prepared by mixing 345 mL of 0.352 M silver nitrate with 443 mL of 0.511 M
2 answers
asked by
CP
1,126 views
A 100.0 mL portion of 0.250 M calium nitrate solution is mixed with 400.0 mL of .100M nitric acid solution. What is the final
6 answers
asked by
alex
1,127 views
Calculate the concentration of aqueous solution of barium hydroxide whose pH is 12
5 answers
asked by
Momito
1,129 views
Compound A has a MW of 283. 0.423g of Compound A is dissolved in 13.5mL of water and 1mL of the solution added to 5mL of water
1 answer
asked by
jake
1,125 views
Calculate the molality of a 10% H3PO4 solution in water.
1 answer
asked by
Keva
1,089 views
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