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Questions (280)
I need to prepare 500 ml of a 37% w/w solution of sulfuric acid using 96% sulfuric acid in deionized water. I have been shown a
5 answers
asked by
Pam
678 views
how to prepare 1M,50ml buffer solution by taking Na2HPO4 and NaH2PO4.
2 answers
asked by
umesh
656 views
Sometimes the basicity of a solution is reported using pOH (pOH = -log[OH-]). What is the
a. [OH-] if pOH = 1.90 b. [H3O+] if pOH
2 answers
asked by
chelsey
674 views
How many grams of KI are in 25.0 ml of a 3.0% (m/v) solution?
1 answer
asked by
Melissa
642 views
In the laboratory a student combines 41.7 mL of a 0.386 M iron(III) fluoride solution with 21.3 mL of a 0.616 M iron(III)
2 answers
asked by
Anonymous
640 views
calculate the volume in milliliters of 3.6 mol/L sodium nitrate solution that contains 325 mmol of sodium nitrate
2 answers
asked by
Mal
638 views
Suppose you need 2.0 L of 6.0 M sulphuric acid, and you have a bottle of concentrated acid of 18.0 M sulphuric acid. a). How
1 answer
asked by
Elijah
654 views
Describe in detail how you would prepare 1000 ml of 0.1 M NaOH from 6 M of NaOH stock solution.
3 answers
asked by
ryan
607 views
is a solution of hydroxylamine fluoriede HONH3F acidic or basic?
1 answer
asked by
Lydia
591 views
A chemist needs a 50% of sulfuric acid. She mix 2 liters of 20% of sulfuric acid with a sample of 60% of sulfuric acid. Write a
2 answers
asked by
James
641 views
How would you prepare 50.0 mL of 2.0 M H2SO4 starting with concentrated sulfuric acid (18M)?
3 answers
asked by
Cat
599 views
Calculate the volume of a 9.00 M HNO3 stock solution that must be used to prepare 450 mL 0f a 1.80 M HNO3 solution.
10 answers
asked by
katie
608 views
If 8.16 g of CuNO3 is dissolved in water to make a 0.500 M solution, what is the volume of the solution?
2 answers
asked by
Dustin
588 views
H2SO4 solution containing 200.1g of H2S04 in 0.3500l of solution at 20 degree celcius has a density of 1.3294g/ml. find a,mass
4 answers
asked by
GETU
566 views
The nitric acid was purchased as a solution that has 70% HNO3. That volume (mL) of this solution is necessary for preparing 250
2 answers
asked by
Adam
579 views
Assuming that each system behaves ideally, which solution (.25m KCl or .25m C3H8O3) would have the lower freezing point?
2 answers
asked by
Katelynn
592 views
how much copper sulfate do i need to make a solution of 100ml of 1M copper sulfate?
2 answers
asked by
johnny
585 views
calculate the volume of 4.0 M hydrochloric acid needed to make
100.0 mL of 0.10 M hydrochloric acid.
3 answers
asked by
modupe
569 views
Sulfuric acid, H2SO4, is sold as a 36% aqueous solution.
What is this concentration in A. Molality B. Molarity C. The Mole
2 answers
asked by
Em
576 views
How would I find the volume of 30% hydrogen peroxide solution from 20mL of 3% hydrogen peroxide solution?
4 answers
asked by
Zach
555 views
How many grams of CaCl2 are needed to make 100ml of a 15% solution in water if only the dihydrated (CaCl2⋅2 H2O) salt is
2 answers
asked by
Yue
554 views
A scientist is mixing a chemical solution for an experiment. The solution contains 3/8oz of chemical and 1/6 ounce saline
2 answers
asked by
Eli
549 views
A volume of 45.3mL of .719 M Ca(NO3)2 solution is mixed with 82.3mL of 1.409M Ca(NO3)2 solution calculate the concentration of
2 answers
asked by
Jorge
526 views
Make a solution of the following:
4ml of 0.5m cupric sulphate pentahydrate. 5ml of 250mm cupric sulphate pentahydrate. and 6ml of
2 answers
asked by
Aondoakaa
538 views
Whats the mass concentration of H2SO4 in a solution with percent mass 36% and density 1.84g/cm3
W(H2SO4)=36%?
2 answers
asked by
Anonymous
550 views
The bottle of hydrogen peroxide from the store says it is a 3% solution by mass. What is its molal concentration?
2 answers
asked by
billy bob j
539 views
What is the hydroxide concentration if the hydronium is .03 M?
2 answers
asked by
corey
520 views
The solubility of sodium chloride is 36.0 g/100. ml of water, and the density of saturated NaCl solution is 1.202 g/mL.. I have
2 answers
asked by
Nasser
559 views
Question: of the salts, NaC2H302, NaCN, NaCl, and NH4NO3, how many form neutral aqueous solutions?
How do you determine which are
2 answers
asked by
Anonymous
539 views
If 210 mL of isopropyl alcohol is diluted with water to a total volume of 300 mL, what is the percent by volume of isopropyl
2 answers
asked by
rebekah
554 views
in this experiment you are you will begin by preparing a dilute soultion of sodium hydroxide by taking 50 ml of 3 M NaOh stock
2 answers
asked by
Chris
521 views
Calculate the molality of a solution prepared by dissolving 31.6 g of Fe2O3 in 750. g of water
3 answers
asked by
Tina
521 views
calculate the volume of 17 M concentrated acetic acid solution that is needed to prepare 100 cubic centimeter of 1 M acetic
2 answers
asked by
mylene
537 views
If you need to make a solution of 1.0L at 2.5M citric acid and you only have 45mL of 5.0M citric acid, do you have enough for
2 answers
asked by
Lie-ma Been
507 views
A 893 g sample of a solution of the solute (CH3)2CO in the solvent C4H8O that has a concentration of 28.6 pph(parts per hundred)
2 answers
asked by
Angel
529 views
how do I find the pH of a buffer solution given that 0.010M NH3 mixed with 0.0030M NH4Cl.
Also... a 0.010M HF solution is mixed
2 answers
asked by
Declan
517 views
Please help.
Concentrated hydrochloric acid is a 38% w/w solution of HCL in water and has a density of 1.18g/ml. How many
2 answers
asked by
Peter
535 views
Determine the molar concentration of Ca^2+ and Cl- in a .075 M CaCl2 solution
2 answers
asked by
Moses
502 views
Calculate the hydroxide ion of a solution of almond extracted of PH 3.8
2 answers
asked by
Debora
503 views
How many millimeters of a 15.0%, by mass solution of KOH(aq)(d = 1.14 g/ml ) are required to produce 26.0 L of a solution with
3 answers
asked by
Raj
488 views
If the student needs a 2.0M phosphoric acid solution (H3PO4) and only has 7.14g of it, what is the volume of solution that can
3 answers
asked by
Anonymous
477 views
A hydrochloric acid So of concentration 1mol/l and a solution S1 of concentration C1= 2×10^-2 mol/l to be prepared from So. The
1 answer
asked by
angy
495 views
The volume of a H2SO4 solution to 36.75% by weight of density 1, 8g/cm ^ 3, necessary to prepare 500 ml of a solution 3N of
2 answers
asked by
william
487 views
HCL acid is available as a stock solution with a concentration of 10 mol/L. If you need (9.0*10^-1) L of (2.50*10^0) mol/L
5 answers
asked by
Han
514 views
how do I prepare 10% HCL from 50% HCL solution
2 answers
asked by
slindile
479 views
A solution is prepared by diluting concentration HNO3 to 2.0 M,Calculate PH.
2 answers
asked by
Ethio
524 views
how many mL of 1M HCL is used to make:
100mL of 0.1M hcl 250Ml OF 0.5M hcl 10Ml OF 0.01m hcl
2 answers
asked by
Tammy
523 views
How do you make 100 mL of 6 M Sodium Hydroxide given solid NaOH pellets
.6/1L = .1L/xmoles
2 answers
asked by
Larissa
497 views
35 grams of sodium phosphate are mixed with enough water to make 3.5L of solution having a densityof 1.045g/mol. Find the
2 answers
asked by
Kristen
498 views
When 100cm^3 of a saturated solution of KClO3 at 40°C is desperate; 14g of the salt is recovered. What is the solutions of
2 answers
asked by
Anonymous
477 views
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Parent Categories (6)
Chemistry
Concentration
Laboratory Materials
Science and Chemistry
Science/Chemistry
Stoichiometry