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Questions (4,270)
Which example accurately describes a solution? (1 point) Responses Polar sugar molecules dissolve in water, which is polar.
1 answer
asked anonymously
76 views
How much distilled water must be added to .85% solution Of NaCL to make a 70% solution of NaCl
4 answers
asked by
Joan
453 views
in math class, Emma and Angelle pair as a group. Emma's task is to graph (7/2)x-(9/2)=2y and Angelle's task is to graph 4y=7x-9.
1 answer
asked by
depressionlol
39 views
How can we solve food insecurity while reducing food waste?(1 point)
Responses don’t throw scraps in the landfill donate unused
1 answer
asked by
Neytiri Barran-etim
92 views
Water is often called the “universal solvent” because it can dissolve many different kinds of substances. What kinds of
1 answer
asked by
o
50 views
Question
If you are solving the equation: x3=−2764 and the equation x2=2564 , check all statements that are true about the
1 answer
asked by
icky^33
72 views
A 46.2-mL, 0.568 M calcium nitrate [Ca(NO3)2] solution is mixed with 80.5 mL of1.396 M calcium nitrate solution. calculate the
5 answers
asked by
Michael
6,281 views
A chemist has 10% acid solution and 60% acid solution. HOW many liters of each solution does the chemist need to make 200 L of a
3 answers
asked by
Francisco Ayala
1,771 views
If I want to prepare 5.0 liters of a 0.25 M solution of NH4Cl, how many grams of the salt should I weight out?
5 answers
asked by
Krew
2,266 views
A technician measures 1.75 L of a standard solution of hydrochloric acid, HCl(aq), with a concentration of 9.00 mol/L. Determine
4 answers
asked by
Anonymous
956 views
1. How many mL of acetone are needed to prepare a 10% v/v solution in 500 mL of methanol?
2. If a 500mL solution of n-propanol in
4 answers
asked by
double checking
1,677 views
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
1,967 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
3,428 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
?
969 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
1,092 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
109 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
10,028 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
563 views
Show that 𝑞(𝑡) = 𝑞0*(𝑒−𝑡/𝜏) is a solution to this differential equation (𝑅 *(𝑑𝑞/𝑑𝑡) =
2 answers
asked by
Hannah
108 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
543 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
1,382 views
How many grams of sodium chloride are needed to make 1 L of 0.9% (m/v) sodium chloride solution (“isotonic saline”).
4 answers
asked by
don
1,768 views
What is the pH of a 0.20 M solution of NH4Cl? [Kb(NH3) = 1.8 × 10−5]
4 answers
asked by
Peter
1,248 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
1,930 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
10,460 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
4,029 views
a saturated solution of potassium chloride is prepared and 100.0 G of water at 20° C the solution is heated at 50 Celsius how
1 answer
asked by
star
98 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
186 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
10,030 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
3,002 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
697 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
127 views
An aqueous solution is. 1.33 molal in methanol. Determine the mole fraction of methanol and water.
10 answers
asked by
anonymous _25
138 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
681 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
641 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
3,420 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
1,976 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
599 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
1,895 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
1,384 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
1,622 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
885 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
823 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!
7,536 views
what is the mass of solute dissolved in 50.0g of a 12.5% saline solution?
7 answers
asked by
debbie
3,592 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
1,393 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
820 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
446 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
592 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
3,484 views
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