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Questions (4,275)
what volume of 16 sulfuric acid must be used to prepare 1.5 L of a 0.10 M H2SO4 solution
7 answers
asked by
kathy
7,984 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
6,242 views
You have 100.0 mL of 0.2500 M solution of NaCl sitting in a beaker. After several days you test the solution and find out that
7 answers
asked by
Tc
5,168 views
A solution of iodine (I2) in carbon tetra-chloride(CCl4) is used when iodine is needed for certain chemical tests. how much
5 answers
asked by
punk480
3,537 views
Imagine that you have been asked to prepare 500ml of a 0.25 mol L solution of Sodium Hydroxide, NaOH. Describe how you would
6 answers
asked by
Dexter
3,427 views
A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s
5 answers
asked by
Morgan Parker
8,753 views
A solution is prepared by dissolving 17.1grams of sucrose, c12h22o11, in 275grams of h20.
what is the molality of that solution?
4 answers
asked by
Miley
2,821 views
Please help!
The vapor pressure of water at 35 oC is 42.175 mm Hg. The vapor pressure of ethyl alcohol (C2H5OH) at 35 C is
5 answers
asked by
Ella
2,609 views
what is the molality of a solution of 50.0 grams of propanol in 152 mL water if the density of wate is 1.0 g/mL and the density
4 answers
asked by
paula
3,323 views
100 mL of LiNO3, 0.241 M is mixed with 240 mL of 0.618 M Ca(NO3)2. What is the final concentration of NO3- in the solution?
6 answers
asked by
duff
1,530 views
1. If y′= x(1+ y) and y > -1 , then y=
A) y=sinx B) y=3x^2+C << C) y=Ce^1/2x^2-1 D) y=1/2e^x^2+C E) y=Csq(x+3) 2. If dy/dx = x
5 answers
asked by
Samantha
2,062 views
3.92g of a nondissociating compound are dissolved in 400.g of liquid benzene. The freezing point of the solution is 5.19 degrees
7 answers
asked by
Cassie
2,475 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
3,299 views
A 5 mL sample of 50% (m/v) acetic acid (Hc2H3O2) solution is added to water to give a final volume of 25 mL....what is the final
5 answers
asked by
Curlyqty
1,981 views
arrange the following 0.10M solutions in order of increasing (H+).
NaBr NH4Cl LiCn
4 answers
asked by
wayne
1,557 views
Calculate the molality of of a sol'n whose density is 1.15 g/ml
4 answers
asked by
Matt
2,829 views
Which solution will contain the higher concentration of chloride ions? 0.31mol/l sodium chloride or 0.16mol/l magnesium chloride
4 answers
asked by
Debby
520 views
What is the molarity of 250 mL of a solution that contains 12.5 g of dissolved zinc bromide, ZnBr2?
4 answers
asked by
Jessica
1,127 views
A 25.0-g sample of sodium hydroxide is dissolved in 400.mL of water. What is the concentration of the solution?
4 answers
asked by
Mayra
1,545 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
1,015 views
What is the mass/ vol% ethanol in an ethanol water solution with density of 0.875g/ml and containing 65% ethanol by volume? The
4 answers
asked by
Fai
1,736 views
The PH of an aqueous solution of NaCN is 10.38. What is [CN-] in this solution?
4 answers
asked by
ChemHurts
1,307 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
1,614 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
1,817 views
calculate the number of milliliters of 0.10 M cupric sulfate solution that must be diluted to prepare 10mL of a 0.015M cupric
3 answers
asked by
Atticus
751 views
A lab technician determines the boiling point elevation of an aqueous solution of a nonvolatile, nonelectrolyte to be 1.95°C.
5 answers
asked by
MaryJ
1,954 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
1,045 views
The density of a 60% (m/m) ethanol solution 0.8937g/ml , calculate the molarity of the solution , step by step .
Molar mass of
5 answers
asked by
kaksha
3,500 views
How many grams of sugar are needed to make a saturated solution of sugar in 100 g of water at 20°C?
4 answers
asked by
Luisa
948 views
A 4.0−L sample of a 6.3M NaCl solution is diluted to 50L .
What is the molarity of the diluted solution? How would I set this
4 answers
asked by
Chemistry
1,837 views
What is the percent by mass solution made by dissolving 163g of table sugar cm 755g of water
4 answers
asked by
nathalie
1,384 views
how to make 750ml of 1.5 m solution of naoh
3 answers
asked by
Anonymous
660 views
Calculate the molarity of 500 ml of a solution containing 100 grams of glucose (C6H12O6).
2 answers
asked by
Anonymous
919 views
How would you make .25 Liters of a .1 M MgCl2 solution?
3 answers
asked by
Mayson
533 views
How many milliliters of stock solution of 2.00 M KNO3 would you need to prepare 100.0 ml of .20 M KNO3 solution? Please show
3 answers
asked by
J_Yeary
1,197 views
After 20.0g of Na2SO4 is added to a 0.5L saturated solution of CaSO4, does the concentration of Ca2+ increase, decrease, or stay
3 answers
asked by
Alondra
2,742 views
Identify the solvent and the solute in vinegar, a dilute aqueous solution of acetic acid.
3 answers
asked by
Danny
2,666 views
Calculate the volume of solution of 3.6 M NH4CI needed to prepare 350.0ml of 1.24 M NH4CI.
How many grams of ammonium chloride
3 answers
asked by
Donna
1,013 views
Calculate the grams of solute required to make 2500mL of 90% saline solution?
3 answers
asked by
Morgan
951 views
Suppose your teacher ask you to prepare 250cm³ of 1 Mol dm -³ (1M) of sodium hydroxide for chemistry lesson . How would
4 answers
asked by
Thijien Chikot
274 views
How do I calculate the molality of a saturated solution of KCl at 70 degrees Celsius? I have gotten the moles of KCl (.66) but
3 answers
asked by
Mathieu
1,098 views
Cyclohexane has a freezing point of 6.6 degree Celsius and a K(f) of 20.0 degree Celsius/m. 1.50g of an unknown solute is
4 answers
asked by
Michael
1,599 views
An aqueous solution of ethanol is 14.1M C2H5OH. The density of the solution is 0.853g/mL. What is molality of ethanol in the
2 answers
asked by
Robert
1,161 views
A 15.0 g sample of an unknown compound is dissolved in 100.0 g of benzene. The boiling point is raised 2.67 oC above the boiling
4 answers
asked by
science girl
1,631 views
a 46.2 mL, .568 M calcium nitrate soln is mixed w/ 80.5 mL of 1.396 M calcium nitrate soln. whats the concentration of final
2 answers
asked by
christine
535 views
is a solution containing 35g of NaCl per 100g of water at 25 degrees Celsius, saturated, unsaturated, or supersaturated
5 answers
asked by
nakisha
1,964 views
What is the molarity of the following solutions?
A. 0.96 g MgCl2 in 500 mL solution B. 9.33 g Na2S in 450 mL solution C. 2.48 g
2 answers
asked by
justin
1,527 views
Calculate the molality of a 0.425 molar aqueous solution of KOH having a
density of 1.13 g/mL.
1 answer
asked anonymously
193 views
Is it always apparent in a solution which component is the solute, for example, in a solution of liquid in a liquid?
2 answers
asked by
Tyran
852 views
what solution of sugar in water has the highest molarity?
1 answer
asked by
lilly
591 views
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