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Questions (4,335)
Calculate the volume of 1.0 M CuSO4 stock solution you should use to make 100 mL of a 0.010 m CuSO4 solution.
5 answers
asked by
Brianna
14,364 views
A KNO3 solution is made using 88.4g of KNO3 and diluting to a total soultion volume of 1.50l. Calculate the molarity and mass
4 answers
asked by
Monique
4,399 views
A solution contains 0.0500 M Ca2 (aq) and 0.0350 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to
9 answers
asked by
Jematormal91
7,050 views
Calculate the molarity and the molality of an NH3 solution made up of 30 g of NH3 in 70 g of water. The density of the solution
7 answers
asked by
Sara
6,456 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
2,622 views
A patient received 2.0 g of NaCl in 8 hours. How many milliliters of a 0.40% (m/v) NaCl (saline) solution were delivered?
4 answers
asked by
brea
5,173 views
The measured pH of a 0.100M solution of NH3(aq) at 25C is 11.12. Calculate Kb for Nh3(aq)at 25C.
4 answers
asked by
Anonymous
1,942 views
How much concentrated solution would you take to prepare 2.80L of 0.475M HCl by mixing with water?
Hydrochloric acid is usually
5 answers
asked by
M J
8,448 views
A 45.8mL sample of 5.8M KNO3 solution is diluted to 1.00L. What volume of the diluted solution contains 15.0 g of KNO3.
5 answers
asked by
Monique
4,163 views
A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calcu- late the mass of pure acetic acid in
4 answers
asked by
Eric
2,169 views
A solution is made at room temperature containing 90 g of NaCl and 200 g of water. It is brought to a temperature of 50°C. What
4 answers
asked by
KSLE
1,573 views
A procedure calls for 100ml of 20% H2SO4, SG=1.14. How much of the concentrated acid (98%), SG=1.84, must be diluted with water
4 answers
asked by
chantal
2,289 views
What is the vapor pressure of a aqueous solution containing 10 % (by weight) ethylene glycol (62 g/mol) at 25 °C. PH2O = 24.3
5 answers
asked by
Marcus
3,731 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
3,339 views
A 0.20 M sodium chlorobenzoate (NaC7H4ClO2) solution has a pH of 8.65. Calculate the pH of a 0.19 M chlorobenzoic acid
4 answers
asked by
justin
2,058 views
A chemist wants to make 4.5 L of a 0.310 M CaCl2 solution what mass of CaCl2 (in g) should the chemist use
5 answers
asked by
Lisa
5,275 views
What quantity of pure acid must be added to 600 mL of a 45% acid solution to produce a 50% acid solution?
4 answers
asked by
jem
1,831 views
A solution is prepared by adding 30.00 g of lactose (milk sugar) to 110.0 g of water at 55 °C. The vapor pressure of pure water
6 answers
asked by
Anonymous
4,066 views
if 25.0 ML of 15M nitric acid is diluted to 125 mL, what is the concentration of the new solution?
5 answers
asked by
julie
1,379 views
A 0.98 m aqueous solution of an ionic compound with the formula MX has a freezing point of -2.6∘C Calculate the van't Hoff
4 answers
asked by
mia
2,871 views
If 4.0 L of a 4.8 M SrCl2 solution is diluted to 50 L , what is the molarity of the diluted solution?
7 answers
asked by
Lisa
5,591 views
A solution is made by mixing 30.0 mL of ethanol, C2H6O, and 70.0 mL of water. Assuming ideal behavior, what is the vapor
7 answers
asked by
Lauren
3,695 views
A solution contains 2 mEq/ml of KCL (Molecular weight 74.5). If a 20 ml ampule of this solution is diluted to 1 liter what is
5 answers
asked by
Ann
5,915 views
How many milliliters of glycerol, d=1.26 g/ml, must be added per kilogram of water to produce a solution with 4.55 mol% C3H8O3 ?
9 answers
asked by
sab
3,534 views
Need to write a brief description of the procedure required to make 900mL of a 0.5 M NaCl solution. The formula weight of NaCl
4 answers
asked by
Debbie
2,597 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
1,548 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
2,069 views
I need help please I am so confused.
How much dry solute would you take to prepare each of the following solutions from the dry
5 answers
asked by
Erica
5,117 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
2,494 views
I have these two questions on my section review that I don't know how to answer. Can someone help me? Please and thank you.
3.
5 answers
asked by
Ana
2,822 views
Sea water contains an average of 1.08 x 10^3 ppm of Na+ ion. Calculate the molar concentration of Na+ given that the average
4 answers
asked by
marie
6,020 views
Express the concentration of a 2.0 M NaOH solution as a mass/volume percent.
Can you please explain how to get the answer?
5 answers
asked by
Ashleigh
1,834 views
HCN is mixed with water. Which is the best
description of what you would expect to find in the solution? 1. CN−, OH−, and
4 answers
asked by
Anonymous
2,681 views
the density at 20 degrees celcius of a .258m solution of glucose in water is 1.0173 g/ml, and the molar mass of glucose is 180.2
6 answers
asked by
Eric GReenblatt
2,316 views
What are the normality and molarity of a solution prepared by dissolving 8.050g Ba(OH)2•8H2O in 1500ml of solution?
3 answers
asked by
peter
773 views
What mass of the following solution contains 0.100 mol of solute? 0.334 molality NH4NO3
4 answers
asked by
Anonymous
1,761 views
How many grams of solute are needed to make 2.50 L of a 1.75 M solution of Ba(NO3)2?
5 answers
asked by
shepherd
3,218 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
1,995 views
Consider a solution of that is 0.0020 M K2SO4. Calculate the activity coefficient of K+.
5 answers
asked by
naya
1,356 views
Calculate the volume of concentrated NaOH solution (which contains 500.00g of NaOH per liter of solution) that you will need to
5 answers
asked by
xx
1,169 views
An solution of antifreeze is prepared by mixing 23.0mL of ethylene glycol (d = 1.11 g/mL;molar mass = 62.07 g/mol) with 50.0 mL
4 answers
asked by
Mae
2,552 views
A solution of acetic acid, CH3COOH, has a concentration of 0.218 M and a density of 1.00 g mL-1. What is the molality of this
4 answers
asked by
Luke
2,176 views
Imagine two solutions with the same concentration and the same boiling point.?
Imagine two solutions with the same concentration
4 answers
asked by
Dee
9,711 views
you dissolve 0.70 moles of HCI in enough water to prepare 250ml of solution. what is the molarity of the solution you have
5 answers
asked by
aileen
2,592 views
How would I calculate the molarity of the resulting solution if 25.0mL of 1.50 M HCL solution is diluted to 500 mL. I know you
4 answers
asked by
Daniel
3,132 views
What is the pH of the solution obtained when 125 mL of 0.614M NaOH is diluted to 16.0 L with water?
4 answers
asked by
Jenna
956 views
Explain how to make a 1 Normal solution H3PO4.
4 answers
asked by
David
2,143 views
What is the molarity of a solution made by dissolving 2.00g of potassium chloride (KCl) in enough water to make 150 ml of
4 answers
asked by
Gerard
2,567 views
I believe the answer is c I just wanted to make sure.
What can help overcome a positive enthalpy of solution and allow a solid
5 answers
asked by
Cortney
2,128 views
the vapor pressure of water at 45.0 °c is 71.93 mmhg. Calculate the vapor pressure of a solution of 1.50 m Al(NO3)3 at this
6 answers
asked by
michael
6,820 views
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