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A buffered solution was created by mixing solutions of NH4Cl and NH3 at 25 C. Which species, NH4+ or NH3, has the highest
4 answers
asked by
Sara
2,446 views
A 230.0mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning the solution is 1.50M. What
7 answers
asked by
Kim
11,790 views
Determine the final volume of the solution if 0.783 grams of Na2CO3 is used to make a 0 348 M solution
Show all calculations
2 answers
asked by
Bonia
120 views
At 20oC, a 2.32 M aqueous solution of Ammonium Chloride has a density of 1.0344g/ml. WHat is the molality of Ammonium Chloride
5 answers
asked by
Car
10,482 views
Question 8 of 15
Which would be most likely to solve Venezuela’s problem with oil pollution? A. a more effective government B.
7 answers
asked by
help plsssssssssssssssssssssssssssssssssssssssssss
3,053 views
HCN is mixed with water. Which is the best description of what you would expect to find in the solution?
3 answers
asked by
Kami
1,401 views
To dilute a solution from 0.600 M to 0.100 M, the final volume must be
A. 1/6 the original volume. B. 0.7 L. C. More information
4 answers
asked by
Jake
3,505 views
Evaluate the sustainability of the solutions given to the main challenges of GBV
3 answers
asked by
Enzo
137 views
Which action would most likely reduce water pollution?
Responses- promoting the use of oil and gas removing the ban on
1 answer
asked by
Someone
169 views
Hydrochloric acid is typically purchased in a relatively highly concentrated form and then diluted by adding slowly to water to
4 answers
asked by
Kalai
2,326 views
A student adds 5 g each of sand, sugar, and salt to 50mL of water. Did he make a solution? Explain.
9 answers
asked by
Fabricio
2,445 views
A 5 N solution is diluted 1:4. The resulting solution is diluted 4:15. What is the concentration in normality of the final
5 answers
asked by
matter
546 views
Which activity might reduce habitat loss?(1 point)
Responses a. spreading out the human population b. removing invasive species
5 answers
asked by
pls help
561 views
5. The density of a solution of 3.69 g KCI in 21.70 g H2O is
1.11 g/mL. Calculate the molality of KCI in the solution.
5 answers
asked by
TJ delattre
880 views
the lab keeps two acid solutions on hand. one is 20% and the other is 35%. how much 20% and how much 35% acid solution should be
4 answers
asked by
skye
1,244 views
what is the concentration of a solution made by mixing 22.0 g of salt with 200 mL of water? assume that the volume of the water
13 answers
asked by
Gina
2,973 views
When salt dissolves completely into water, which term is used to describe the water?
solvent concentration solute solution Does
20 answers
asked by
Can some please assist??
6,442 views
Pure acetic acid, known as glacial acetic acid, is a liquid with a density of 1.049 g/mL at 25°C. Calculate the molarity of a
5 answers
asked by
Matt
6,269 views
You need to make a solution containing 150 g of potassium chloride in 300 g of water. What temperature is required?
5 answers
asked by
Anonymous
3,124 views
If a solution of chloride in water is 0.354 M Cl− at 25°C,
and the density of the solution 0.456 g/mL, what is the molality of
4 answers
asked by
Royal
957 views
A solution is prepared by mixing 0.12 L of 0.12 M sodium chloride with 0.22L of a 0.19M MgCl2 solution.What volume of a 0.22 M
4 answers
asked by
Abril
3,807 views
What mass of water must be used to dissolve 20.0 grams of ethanol, C2H5OH, to prepare a 0.0500 molal solution of ethanol?
10 answers
asked by
Marcus
3,419 views
You have a large amount of 8.00 M stock solution. You need 1.60 L of 3.00 M solution for an experiment. How would you prepare
4 answers
asked by
LuigiR
5,734 views
What volume of a 0.550 M solution of potassium hydroxide can be made with 14.3 g of potassium hydroxide? (Ignore significant
5 answers
asked by
lulu
4,446 views
A certain brine has 3.96% NaCl by mass. A 75.0−mL sample weighs 76.7g How many liters of this solution should be evaporated to
5 answers
asked by
Bella
3,785 views
A solution is made by mixing 42.0 mL of ethanol, C2H6O, and 58.0 mL of water. Assuming ideal behavior, what is the vapor
6 answers
asked by
Joy
5,401 views
5. Which of the following solutions has the highest pH? *
1.0 M Li2SO4 1.0 M CuF2 1.0 M NH4Br 1.0 M K2CO3
5 answers
asked by
lilac
753 views
An antiseptic solution contains hydrogen peroxide,H2O2,in water. The solution is 0.600 m
H2O2. What is the mole fraction of
5 answers
asked by
Miky
1,311 views
If 20 g KCL is dissolved in 100g of water at 20 degrees C, is the solution unsaturated, saturated, or supersaturated?
9 answers
asked by
kate
3,314 views
28g of NH3 is dissolved in 500mL of water. What is the concentration of the resulting solution?
(I do not understand how to solve
5 answers
asked by
Amir
918 views
Antifreeze protects a car from freezing and from overheating. Calculate the freezing-point depression of a solution containing
6 answers
asked by
Sam
2,452 views
Q49 One litre of solution contain 30g acetic acid the active mass of acetic acid is?
Ans 1.0mol/L
4 answers
asked by
Lara
1,364 views
arrange the following 0.10M solutions in order of increasing (H+).
NaBr NH4Cl LiCn
4 answers
asked by
wayne
1,574 views
What volume of a 0.176 M Na2S solution contains 1.01 g of Na+ ions?
Please show work, I appreciate your help
4 answers
asked by
MARIE
2,427 views
what is the molality of a solution prepared by dissolving 13.0 g of Ba(NO3)2 in 450 g of water?
5 answers
asked by
Mad
1,375 views
If 15.0 g of KCl is added to 100.0 g of water at 30.0 °C, how much more must be added to saturate the solution?
5 answers
asked by
pinky
1,536 views
Molarity of NaNo by diluting 250.0 of a 1.60 solution to a final volume of 400cm3
4 answers
asked by
Anonymous
731 views
What is the pH of a 0.0344 M KOH solution?
5 answers
asked by
Cassie
1,289 views
Concentrated aqueous ammonia contains 1.00 mol NH3 dissolved in 2.44 mol H20. What is the mole fraction of NH3 in concentrated
5 answers
asked by
Lauren
2,522 views
We need to prepare 500. ml of 1.00M acetic acid from a 17.4M stock solution. What volume of stock solution is required
4 answers
asked by
Anonymous
2,039 views
Two moles of a nonelectrolyte solute are dissolved in 1 kg of an unknown solvent. The solution freezes at 7.8 degrees Celsius
5 answers
asked by
Alyssa
3,439 views
Calculate normality of normal saline at 0.85%?
4 answers
asked by
Mya
2,779 views
What is the molarity of CH3COOH in vinegar containing 4.0% CH3COOH by mass and having a density of 1.02 g/ml?
4 answers
asked by
joe
2,382 views
A 0.25 M CuSO4 solution is required. A student is given 60 grams of copper sulphate. Calculate the volume of water needed to
4 answers
asked by
Wendy Mark
1,736 views
If 455-ml of 6.0 M HNO3 is used to make a 2.5 L dilution,what is the molarity of the dilution?
4 answers
asked by
Caleb
4,843 views
A solution of thiosulfate ions has been prepared by dissolving 4.5g of Na2S2O3.5H2O in 250 ml of solution.
Calculate the
4 answers
asked by
vicky
1,029 views
Calculate the freezing- and boiling-point changes for a solution containing 12.0 g of naphthalene (C10H8) in 50.0 g of benzene.
4 answers
asked by
Mariah
1,636 views
What is the concentration in % (m/v) of a solution with 75 g K2SO4 dissolved in 1500 mL of solvent?
4 answers
asked by
Ty
1,832 views
What is the (a) [H+], (b) [OH-], (c) pH, and (d) pOH of a 0.002 M solution of HNO3?
3 answers
asked by
YBB
946 views
how would you prepare 250 ml of 0.69m al2(so4)3 solution from a 2.0 al2(so4)3 stock solution
4 answers
asked by
Sam
1,062 views
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