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1) The molecular mass of a substance was determined by the freezing point depression technique. The minimum data required for
6 answers
asked by
Hannah
1,975 views
how do you calculate the mole fraction of HCl in an acqueous solution that contains 33.6% HCl by mass?
4 answers
asked by
franco
1,924 views
You have 100 mL of a solution of benzoic acid in water; the amount of benzoic acid in the solution is estimated to be about 0.30
4 answers
asked by
Camille
3,433 views
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 13.7 L of water to produce an antifreeze solution
4 answers
asked by
?
977 views
The molarity of a sodium hydroxide solution is 0.2 M. The molar mass of NaOH is 40 g/mol.
If 20 g of sodium hydroxide (NaOH) is
3 answers
asked by
Summer
1,097 views
Match the term with its corresponding definition.
Suspension 1.a chemical formed by the joining of two or more elements while
2 answers
asked by
fe
111 views
1. How many solutions does the equation have? 4x+3=2(2x+9)
a.one solution b.no solution c. infinite number of solutions d.
19 answers
asked by
Anonomys
10,036 views
A solution is prepared by dissolving 5.00 g of ferric chloride in enough water to make 500.0 mL of stock solution. A 50.0 mL
2 answers
asked by
Anonymous
568 views
Show that ๐(๐ก) = ๐0*(๐โ๐ก/๐) is a solution to this differential equation (๐ *(๐๐/๐๐ก) =
2 answers
asked by
Hannah
112 views
how many litres of a solution containing 18 percent sulfuric asid and how many litres of another solution containing 25 percent
3 answers
asked by
Saiful
549 views
A solution is prepared by dissolving 25.0 g of glucose, C6H12O6, in 125 g of water at 25oC. (show work please)
Determine the
4 answers
asked by
Igor
1,390 views
How many grams of sodium chloride are needed to make 1 L of 0.9% (m/v) sodium chloride solution (โisotonic salineโ).
4 answers
asked by
don
1,775 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
11,780 views
What is the pH of a 0.20 M solution of NH4Cl? [Kb(NH3) = 1.8 ร 10โ5]
4 answers
asked by
Peter
1,255 views
a chemistry lab assistant wants to prepare 10 liters of 48% acid solution. in stock he has 80% and 40% acid solutions. how many
3 answers
asked by
Jennifer
1,943 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
10,468 views
An aqueous solution that is 30.0 percent sulfuric acid (H2SO4) by mass has a density of 1.105 g/mL. Determine the molarity of
5 answers
asked by
victoria
4,043 views
a saturated solution of potassium chloride is prepared and 100.0 G of water at 20ยฐ C the solution is heated at 50 Celsius how
1 answer
asked by
star
99 views
The author of this passage is proposing to resolve the problem of political radicalism in the United States by
A. deporting those
3 answers
asked by
Unknown
193 views
1. Which number is a solution of the inequality?
b > 10.6 (1 point) a)- 9 b)10 c)10.6 d)11 My answer is D
23 answers
asked by
PlayXGamer
10,048 views
Question 8 of 15
Which would be most likely to solve Venezuelaโs problem with oil pollution? A. a more effective government B.
7 answers
asked by
help plsssssssssssssssssssssssssssssssssssssssssss
3,024 views
A is a solution of trioxonitrate nitrate (v) (HNO3) of unknown concentration, B is a standard solutions of NAOH containing
3 answers
asked by
James
702 views
A 62% by mass of aqueous solution. of acid has specific gravity 1.8 . This solution is diluted such that. the specific gravity
2 answers
asked by
anonymous _25
129 views
An aqueous solution is. 1.33 molal in methanol. Determine the mole fraction of methanol and water.
10 answers
asked by
anonymous _25
144 views
Dextrose 5% in Normosol M Solution (D5NM) is a hypertonic solution that is non pyrogenic and is a nutrient replenisher. In each
1 answer
asked by
Qin
684 views
What is the molality of a solution containing 11.1 g Na2SO4 dissolved in 2269.2 g of water?
26 answers
asked by
Brianna
647 views
A 23.0% by mass LiCl solution is prepared in water. What is the mole fraction of the water?
3 answers
asked by
Vanessa
3,427 views
If 500gm of dextrose are dissolved in 600ml of water, with the final volume being 1000ml, what is the percentage strength of the
4 answers
asked by
Vicki
1,980 views
100mL of a solution contains 30 mL of acid; this is called a 30% acid solution because
part 30 ---- = ---- = 0.30. whole 100 How
2 answers
asked by
Stacey
602 views
"Given: An aqueous solution of C6H12O6 with a density of 1.18 g/ml"
I) Calculate Molarity 1) It firsts asks me to, "State the
4 answers
asked by
Rachel
1,898 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
1,390 views
Which solution contains more acid, 50ml of a 0.20 N HCL solution or 50 ml of a 0.20 N acetic acid solution? Which has a higher
4 answers
asked by
Terry
1,634 views
a solution is 0.10M in free NH3, 0.10M in NH4Cl, and 0.015M in [cu(NH3)4]. Will Cu(OH)2 (s) precipitate from this solution? Ksp
4 answers
asked by
Jasleen
891 views
From the following:
1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of
2 answers
asked by
CC
827 views
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite (NaOCl) by mass
What is the molarity of
4 answers
asked by
Lisa, Help needed!
7,543 views
what is the mass of solute dissolved in 50.0g of a 12.5% saline solution?
7 answers
asked by
debbie
3,598 views
Which of the following solutions would have the lowest boiling point?
A.1.0 M NaCl B.2.0 M NaCl C.3.0 M NaCl D.4.0 M NaCl
3 answers
asked by
SANDRA
1,397 views
Hey Dr.Bob, I asked two days ago a question about a titration lab I had that you answered, but I still have one more question
5 answers
asked by
Robert
829 views
What is the molality of a solution made by adding 0.145 g of sodium acetate to 119 ml water?
How do I find molality?
1 answer
asked by
Trina
452 views
Arrange the following 0.10M solutions in order of increasing pH:
a. Nacl b. NH4CL C. HCL D. NaCH3CO2 e. KOH
4 answers
asked by
Liz
6,991 views
What determines the greatest buffer capacity when looking at solutions? The professor said he would have a list of solutions on
2 answers
asked by
Kyle
595 views
50ml of 20.8% bacl2 and 100ml of 9.8% h2s04 solutions are mixed. molarity of cl ions in the resulting solutions is At.wt of ba =
3 answers
asked by
Ken
1,157 views
(NaCl) solutions used in intravenous injections have a concentration of 0.90% NaCl (mass/volume).
4.5grams of NaCl are needed to
2 answers
asked by
Tina
868 views
with the use of calculations explain how would you prepare a 250ml of 0,2dmยณ concentration solution of oxalic acid
3 answers
asked by
Dan'sile
579 views
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
3,012 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
496 views
A solution of LiCl in water has XLiCl = 0.0800. What is the molality?
5 answers
asked by
jamiya
9,130 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
1,181 views
Complete the following table for aqueous solutions of caffeine, C8H10O2N4.
Find: Molality Mass Percent Solvent Ppm Solute Given:
4 answers
asked by
James
2,281 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
1,389 views
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