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Questions (4,335)
If there are 400 cubic centimeters of a chemical in 1 liter of solution (1000 cc=1 liter), how many cubic centimeters of water
3 answers
asked by
tay
1,180 views
Which of the following solutions would have the highest boiling point?
(1) 5 liters of water (2) 5 grams of salt dissolved in 4
7 answers
asked by
Mydogbear
995 views
a bottel contains 500 ml of 2.4 M HCL. How much water should be added to dilute it to 1.6 M HCL. Solution
2 answers
asked by
aarti
613 views
How would I make a 5% solution of sodium bisulfite?
sodium bisulfite: NaHSO3 Molar mass: 104.06 g/mol is it 5% w/w or v/v or w/v
9 answers
asked by
~christina~
1,355 views
I can't find 2 examples of suspensions from household items and 2 solutions from household item for Science class tomorrow!
3 answers
asked by
Ashley
1,207 views
Decide whether each equation has one solution, no solutions, or infinitely many solutions.
1. 2(x – 3) = 2x a.one solution b.no
12 answers
asked by
get dunked on - sans
6,815 views
Suggest Two Practical solutions for each of the five youth risk behaviour you have chosen can be addressed or prevented
4 answers
asked by
Khutso
1,112 views
a solution of CH4N2O in water has a vapor pressure of 19.6 torr. at 25C. what is the mole fraction of CH4N2O in this solution?
4 answers
asked by
yeng
633 views
Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of
4 answers
asked by
rob
3,147 views
If one solution cotains 10% NaCl and another contains 30% NaCl, the 30% solution is
isotonic, hypotonic, hypertonic, plasmolyzed
4 answers
asked by
Natalie Vega
1,694 views
When 9.6 grams of NaBr are dissolved in enough water to create a 165-gram solution, what is the solution's concentration,
3 answers
asked by
gary lee
844 views
what weight of NaCl is needed to prepare 200mls of a 250ppm Na solution?
3 answers
asked by
martina
463 views
At 20◦C the vapor pressure of pure methanol
(CH3OH) is 89.0 torr and of pure water (H2O) is 17.5 torr. A solution of methanol
3 answers
asked by
Ethan
1,880 views
a solution is prepared by dissolving 4.9 g of sucrose (c12h22011) in 175 g of water. calculate the boiling point and osmotic
4 answers
asked by
Ahmed Elsayed Ahmed
513 views
Decide whether the equation has one solution, no solution or infinitely amount of solutions.
1: 2(x - 3) = 2x one none infinitely
3 answers
asked by
hngh
652 views
Dissolving sodium chloride in water will
1: raise the freezing point of the solution, 2. raise the freezing point of the sodium
2 answers
asked by
palmer
646 views
The concentration of lead nitrate (Pb(NO3 )2 ) in a 0.726 M solution is __________ molal. The density of the solution is 1.202
g/
4 answers
asked by
john
4,769 views
A student adds 5 g each of sand, sugar, and salt to 50mL of water. Did he make a solution? Explain
3 answers
asked by
Emily
595 views
arrange the following solutions in order of decreasing specific conductance 0.01 M NaCl,0.05 M NaCl,0.1 M NaCl, 0.5 M NaCl
3 answers
asked by
Raja
1,698 views
Which of the following aqueous solution of equal molality has the lowest freezing point?
a. H2SO3 b. NaCl c. NaOH d. Ca(NO3)2 How
3 answers
asked by
Levi
1,624 views
You need a 45% alcohol solution. On hand, you have a 225 mL of a 85% alcohol mixture. How much pure water will you need to add
2 answers
asked anonymously
62 views
A student is making a salt water solution for a lab experiment. Which of the following would increase in the rate the salt
4 answers
asked by
help me keeps killing me lol haha poopie
315 views
What is the pH of a 0.41 M solution of pyridinium chloride (C5H5NH+Cl−)? (Kb for pyridine is 1.5×10−9.)
Answer in units of
4 answers
asked by
Gabriella
5,424 views
The following solutions are combined:
20 mL of 0.50 M TRIS buffer, pH 7.0 10 mL of 0.25 M KCl 10 mL of 0.30 M sucrose 150 mL dH2O
2 answers
asked by
anna
85 views
Identify the solute with the highest van't Hoff factor: Non-electrolyte, NaCl, MgCl2, FeCl3, MgSO4
4 answers
asked by
luz
3,547 views
I had posted a while back and still couldn't solve this is there anyway you could show me the steps on how u did this? thank you
3 answers
asked by
Dora
572 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
3 answers
asked by
carry on
477 views
A 3.50 g sample of KCl is dissolved in 10.0 mL of water. The resulting solution is then added to 60.0 mL of a 0.500 M CaCl2(aq)
4 answers
asked by
Anna
2,387 views
Suggest practical solutions on how any Six of the risky behaviours which have been mentioned can be addressed
4 answers
asked by
Andrew
415 views
Suppose you had 5 gallons of sodium hydroxide solution which had a concentration of two pounds of soduium hydroxide per gallon.
3 answers
asked by
Kisha
756 views
I only need y'all to check my responses. Thanks in advance!
Is (0,3) a solution to the equation y=x+3 Yes**My choice No Is (1,-4)
5 answers
asked by
Derpy Pegasus
454 views
Show your work. Is (1, -7) a solution to the equation y = x - 8? Choose the correct answer.
a) yes b) no
2 answers
asked anonymously
52 views
1. Which value is a solution of the equation
5 - 4x = -3 0 2 -3 1/4 2. Which ordered pair is a solution of the equation y = x - 4
10 answers
asked by
Charlotte
4,704 views
2.which value is a solution of the equation 3-2x=-5?
a.2 b.4*** c.-2 d.1/5 NEED ANSWER ASAP
10 answers
asked by
THAT CAZY GIRL
2,638 views
A solution is prepared by dissolving 15grams of table salt in 70grams of water. Find (a) mass percent of solute (b) mass percent
4 answers
asked by
Araceli
3,017 views
1. In the lab, Deon has two solutions that contain alcohol and is mixing them with each other. Solution A is 40% alcohol and
4 answers
asked by
Amy
5,550 views
The pH of a Ba(OH)2 solution is 10.66. What is the hydroxide concentration? If the solution volume is 125ml, how many grams of
4 answers
asked by
ralph
3,658 views
to create a 0.25 M Potassium Chloride solution. Your mass is 5.00 grams of Potassium Chloride. How many liters of water is
4 answers
asked by
Daniel
2,985 views
Which of the following solutions will have highest freezing point?
A. 0.1M KCl B. 0.05M NaCl C. 1M AlPO4 D. 0.1MMgSO4 ? i need it
6 answers
asked by
Handsomehulk
3,693 views
What is the molarity of a solution prepared by dissolving 8 grams of BaCl2 in enough water to make a 450.0 mL solution?
5 answers
asked by
Anonymous
2,072 views
you have 100ml of water in a beaker. you add 20 ml of table salt. the water level rises to only 105 ml.
16 answers
asked by
Tee
5,262 views
What is the mole fraction of alanine in 0.314m CH3CH(NH2)COOH(aq)?
4 answers
asked by
Anonymous
1,414 views
14. Describe the number of solutions for the equation
-2(y-3) =2y-6 a. one solution b. no solution c. infinite solutions my
4 answers
asked by
meerandoi
1,046 views
what is the concentration of the mixture of two mixture if two quarts of 30% acid solution is mixed with 3 pints of 20%acid
5 answers
asked by
tasu
1,892 views
An aqueous solution that is 10.0 percent sulfuric acid (H2SO4) by mass has a density of 1.143 g/mL. Determine the molality of
4 answers
asked by
tyler
4,110 views
Elisa adds blue food coloring to a beaker full of water. She watches as the food coloring slowly disperses throughout the water.
5 answers
asked by
NAV
654 views
How many millimoles and molecules of solute are in 500 ml of a solution that is 5.41 ppm KMnO4?
4 answers
asked by
Anna
2,916 views
If the density of a 40.0 mass % solution of ethylene glycol in water is 1.0514g/mL at 20 celcius what is the molarity
4 answers
asked by
RB
1,262 views
As the number of solute particles in a given volume of solution increase will:
freezing point increase, vapor press decrease? or
4 answers
asked by
Thomas
2,452 views
In the question Consider a 0.90 M Al(NO3)3 solution. This solution has a nitrate ion concentration of . . . .
How do you figure
4 answers
asked by
Ken
4,159 views
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