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Questions (4,275)
What mass of NH4Cl must be added to 0.750 L of a 0.1M solution of NH3, to give a buffer solution with a pH of 9.26? (Hint:
4 answers
asked by
Udeni
3,006 views
What is the relationship between the amount of solute and the amount of freezing point depression?
delta T = k<sub>f</sub> m
1 answer
asked by
Chrissy
494 views
calculate how to make 10 mL of 15:85 ethyl acetate:hexane solution
from 2 mL of 5:95 ethyl acetate:hexane, using pure hexane and
1 answer
asked by
Jess
1,179 views
Complete the following table for aqueous solutions of caffeine, C8H10O2N4.
Find: Molality Mass Percent Solvent Ppm Solute Given:
4 answers
asked by
James
2,277 views
A beaker contains 100 grams of 1.20 M NaCl. If you transfer 50% of the solution to another beaker, what is the molarity of the
3 answers
asked by
Toni Jones
1,383 views
A buffer solution is prepared by adding 0.10 liter of 2.0 molar acetic acid solution to 0.1 liter of a 1.0 molar sodium
10 answers
asked by
James
151 views
Al pharmacist adds 2.00 mL of distilled water to 4.00 gram of powder drug. The final volume of the solution is 3.00. Ml .What is
2 answers
asked by
anonymous _25
174 views
Calculate the molarity of a solution prepared by dissolving 125ML of pure methanol, CH3OH ( density = 0 .791 gram / mole.) into
5 answers
asked by
anonymous _25
228 views
What is the volume percent of 10.00g of acetone in 1.55 liter of an acetone. water solution?( Density= 0. 789 gram/ml )
2 answers
asked by
anonymous _25
198 views
A HCL Aqueous solution is 7% (volume by volume) 7ML HCl is present in 100ML solution?
2 answers
asked by
anonymous _25
239 views
What is the mass percent of solute When, 4.12 grams is dissolved in 100 .0 gram of water.
2 answers
asked by
anonymous _25
174 views
What is the molarity of A solution containing 9.478 Grams of RuCl3 in enough water To make 1.00 L of solution.
2 answers
asked by
anonymous _25
165 views
What is the molarity of a solution containing 5.035grams of FeCl3 in enough water to make 500 ml of solution?
2 answers
asked by
anonymous _25
130 views
What is the molarity of a solution containing 72.9 grams of HCL in Enough for the to make 500ML of solution.
2 answers
asked by
anonymous _25
91 views
What is the molarity of a solution containing 5. 035 grams of FeCl3 in enough water to make 500 ml of solution?
2 answers
asked by
anonymous _25
138 views
What is the volume of a 0.1 M HCL solution containing one 1.46GM of HCL?
5 answers
asked by
anonymous _25
105 views
Determine the volume percent of touline
in a solution made by mixing 40.0ML toluene with 75. 0 ml of benzene.
2 answers
asked by
anonymous _25
138 views
What is the mass percent of sucrose in a solution Obtained by mixing 225 gram of An aqueous solution, that is 6.25% sucrose by
2 answers
asked by
anonymous _25
131 views
On heating 25g of a saturated solution to dryness at 60°c, 4g of anhydrous salt was recovered
Calculate it's solubility in g/dm
2 answers
asked by
Alexis
127 views
What is the molarity of a solution that contains 4 moles of solute and 2 liters of solution?
2 answers
asked by
valerie
51 views
What is one of Japan’s solutions to having an aging population?
A. Using more robots to do work, that humans would you
2 answers
asked by
Alex
71 views
Find the molality of the solution if 2.5 moles of CaBr2 are dissolved in 5 kg of water.
2 m 500 m 5 x 10-4 m 0.5 m
11 answers
asked by
Hey..😙
64 views
You have a sample which consists of 428g sodium hydroxide (NaOH)
dissolved in enough water to make a final solution of 6.4l. What
2 answers
asked by
Brian Giles
182 views
An aqueas solution labelef
2 answers
asked by
Eliyaas
59 views
How many solutions does this equation have?
12+2x2 = 13 Responses A exactly one solution B exactly two solutions C no solution D
4 answers
asked anonymously
54 views
What is the solution of this equation?
8 − 1/2 x = −6(3/4 x − 2) + 4 Responses A It has no solution. B x = 2 C It has
4 answers
asked anonymously
48 views
(a) A buffer solution is prepared by adding 0.10 liter of 2.0 molar acetic acid solution to 0.1 liter of a 1.0 molar sodium
4 answers
asked by
James
119 views
y – 5x = –6
y – 5x = –4 (1 point) one two infinitely many none
2 answers
asked by
snow
36 views
Describe one environmental concern caused by a chemical process that we are facing today. Suggest a possible solution. (3 pts)
2 answers
asked by
heeeeeeeeeeeeeeeeeeee
65 views
. solute
2 answers
asked by
tka
48 views
As part of a chemistry experiment, Barry is making a mixture of two solutions. He uses 4 cups of solution A for every 2 cups of
11 answers
asked by
Je
127 views
A solution is formed by dissolving 83.2 grams of copper II chloride (CuCl2
) in 2.5 liters of water. The molar mass of CuCl2 is
2 answers
asked by
Anna Jenkins
104 views
If we were to dissolve sugar in water, which term would describe the sugar?
solution alloy solvent solute
7 answers
asked by
Kristen😙
87 views
Which of the following is not a solution?
sand in a sand box tea with honey stirred in brass air
17 answers
asked by
Kristen😙
69 views
When a solution forms, what happens to the individual particles of a solute?
a. They precipitate. b. They combine. c. They
1 answer
asked by
christinaqz
66 views
How can the concentration of a solution be increased?
a. More solute can be added. b. By decreasing the temperature. c. By
1 answer
asked by
christinaqz
71 views
2. Soda water is an example of:
a liquid-liquid solution c gas-liquid solution b solid-liquid solution d gas-gas solution 3.
1 answer
asked by
Fuad Faji Jemal
97 views
Seawater is 5% salt. How much seawater do you need to ge to get 17.25 lb of salt?
1 answer
asked by
Joyful_Rose24
61 views
How many solutions does this equation have?
2+6x2 2 + 6 � 2 = 3x + 3 Responses A exactly one solutionexactly one solution B
1 answer
asked by
Anonymous ;)
74 views
What is the the percent by volume %(m/v), of a NaCI solution prepared by mixing 50.0 g NaCI with 48.0gram of pure water to
1 answer
asked by
Live
101 views
What is the molarity of a solution prepared by dissolving 543g ofCa(NO3)2 into 355ml of water?
4 answers
asked by
Swim
84 views
A solution is 36% silver nitrate (AgNO3) by mass. The density of this solution is 1.44
g/mL. The formula weight of AgNO3 is 170
2 answers
asked by
Swagato
741 views
320ml of active ingredient is added to 680ml of an alcohol based solution. What is the final strength (v/v)? ___
1 answer
asked by
Betty
349 views
What is the van't Hoff factor for K2SO4 in an aqueous solution that is 5.00 % K2SO4 by mass and freezes at -1.21 ∘C?
7 answers
asked by
Raquel
3,153 views
Chris needs to make 500 L of a 35% acidic solution. He has only two of the acidic solutions available, a 25% solution and a 50%
4 answers
asked by
Anonymous
2,158 views
20,0g MgCl2 and 20,0g NaCl are mixed together and dissolved in water to make up 2,00dm cube of solution. Calculate the
2 answers
asked by
Zakes
84 views
You want to make up a 0,100 mol.dm cube sodium carbonate solution.You have a 200ml volumetric flask and a bottle of sodium
4 answers
asked by
Zakes
87 views
Calculate the vapour pressure of a solution of 34.0 g of glycerol (C3H8O3) in 500.0 g of water at
25ºC. The vapour pressure of
1 answer
asked by
Mulovhedzi Ntodeni
83 views
A saturated solution of
potassium chloride was prepared at X˚C. If 30m3 of this solution required 22.5cm3 of silver
2 answers
asked anonymously
144 views
14 0.0485 kg of biphenyl (C12H10) is dissolve in benzene (C6H6) to create a solution with a total volume of 350.0 mL. (Assume
2 answers
asked anonymously
78 views
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